Launches a browser with a tab. The browser will be closed when the parent node.js process is closed.
Parameters
options
Object {headless: true|false, args:['--window-size=1440,900']} (optional, default{headless:true}
)options.headless
boolean Option to open browser in headless/headful mode. (optional, defaulttrue
)options.args
Array? Args to open chromium https://peter.sh/experiments/chromium-command-line-switches/.options.port
number Remote debugging port if not given connects to any open port. (optional, default0
)options.ignoreCertificateErrors
boolean Option to ignore certificate errors. (optional, defaultfalse
)options.observe
boolean Option to run commands with delay to observe what's happening. (optional, defaultfalse
)options.observeTime
number Option to modify delay time for observe mode. (optional, default3000
)options.dumpio
dumpio Option to dump IO from browser (optional, defaulttrue
)
Examples
openBrowser()
openBrowser({ headless: false })
openBrowser({args:['--window-size=1440,900']})
openBrowser({args: [ '--disable-gpu', '--disable-dev-shm-usage', '--disable-setuid-sandbox', '--no-first-run', '--no-sandbox', '--no-zygote']}) - These are recommended args that has to be passed when running in docker
Returns Promise<Object> Object with the description of the action performed.
closeBrowser
Closes the browser and all of its tabs (if any were opened).
Examples
closeBrowser()
Returns Promise<Object> Object with the description of the action performed.
client
Gives CRI client object.
Returns Object
switchTo
Allows to switch between tabs using URL or page title.
Parameters
targetUrl
string URL/Page title of the tab to switch.
Examples
switchTo('https://taiko.gauge.org/') - switch using URL
switchTo('Taiko') - switch using Title
Returns Promise<Object> Object with the description of the action performed.
intercept
Add interceptor for the network call to override request or mock response.
Parameters
Examples
case 1: block url => intercept(url)
case 2: mockResponse => intercept(url,{mockObject})
case 3: override request => intercept(url,(request) => {request.continue({overrideObject})})
case 4: redirect => intercept(url,redirectUrl)
case 5: mockResponse based on request => intercept(url,(request) => { request.respond({mockResponseObject})} )
Returns object Object with the description of the action performed.
emulateNetwork
Set network emulation
Parameters
networkType
String 'GPRS','Regular2G','Good2G','Good3G','Regular3G','Regular4G','DSL','WiFi, Offline'
Examples
emulateNetwork("Offline")
emulateNetwork("Good2G")
Returns Promise<Object> Object with the description of the action performed
emulateDevice
Allows to simulate device viewport
Parameters
Examples
emulateDevice('iPhone 6')
Returns Promise<Object> Object with the description of the action performed.
setViewPort
Sets page viewport
Parameters
Examples
setViewPort({width:600,height:800})
Returns Promise<Object> Object with the description of the action performed.
openTab
Launches a new tab with given url.
Parameters
targetUrl
string URL/Page title of the tab to switch.options
(optional, default{timeout:30000}
)
Examples
openTab('https://taiko.gauge.org/')
Returns Promise<Object> Object with the description of the action performed.
closeTab
Closes the given tab with given url or closes current tab.
Parameters
targetUrl
string URL/Page title of the tab to switch.
Examples
closeTab() - Closes the current tab.
closeTab('https://gauge.org') - Closes the tab with url 'https://gauge.org'.
Returns Promise<Object> Object with the description of the action performed.
overridePermissions
Override browser permissions
Parameters
Examples
overridePermissions('http://maps.google.com',['geolocation']);
clears all the permissions set
Examples
clearPermissionOverrides()
setCookie
Sets a cookie with the given cookie data; may overwrite equivalent cookie if they exist.
Parameters
Examples
setCookie("CSRFToken","csrfToken", {url: "http://the-internet.herokuapp.com"})
setCookie("CSRFToken","csrfToken", {domain: "herokuapp.com"})
Returns Promise<Object> Object with the description of the action performed.
Clears browser cookies.
Examples
clearBrowserCookies()
Returns Promise<Object> Object with the description of the action performed.
deleteCookies
Deletes browser cookies with matching name and url or domain/path pair.
Parameters
cookieName
string Cookie name.options
Object (optional, default{}
)options.url
string deletes all the cookies with the given name where domain and path match provided URL. (optional, default'http://www.google.com'
)options.domain
string deletes only cookies with the exact domain. (optional, default'herokuapp.com'
)options.path
string deletes only cookies with the exact path. (optional, default'Google/Chrome/Default/Cookies/..'
)
Examples
deleteCookies("CSRFToken", {url: "http://the-internet.herokuapp.com"})
deleteCookies("CSRFToken", {domain: "herokuapp.com"})
Returns Promise<Object> Object with the description of the action performed.
getCookies
Get browser cookies
Parameters
options
(optional, default{}
)
Examples
getCookies() getCookies({urls:['https://the-internet.herokuapp.com']})
Returns Promise<Object> Array of cookie objects
setLocation
This function is used to mock geo location
Parameters
options
null-null
object { latitude: 27.1752868, longitude: 78.040009, accuracy:20 }
Examples
overridePermissions("https://the-internet.herokuapp.com/geolocation",['geolocation'])
setLocation({ latitude: 27.1752868, longitude: 78.040009, accuracy:20 })
Returns Promise<Object> Object with the description of the action performed
goto
Opens the specified URL in the browser's tab. Adds http
protocol to the URL if not present.
Parameters
url
string URL to navigate page to.options
Object {timeout:5000, headers:{'Authorization':'Basic cG9zdG1hbjpwYXNzd29y2A=='}} Default timeout is 30 seconds to override set options = {timeout:10000}, headers to override defaults. (optional, default{timeout:default_timeout}
)options.waitForNavigation
boolean Skip to navigation - default is true (optional, defaultfalse
)options.waitForEvents
string Events available to wait for ['DOMContentLoaded', 'loadEventFired', 'networkAlmostIdle', 'networkIdle', 'firstPaint', 'firstContentfulPaint', 'firstMeaningfulPaint']] (optional, default['firstMeaningfulPaint']
)
Examples
goto('https://google.com')
goto('google.com')
Returns Promise<Object> Object with the description of the action performed and the final URL.
reload
Reloads the page.
Parameters
url
string URL to reloadoptions
Object (optional, default{timeout:default_timeout}
)options.waitForEvents
string Events available to wait for ['DOMContentLoaded', 'loadEventFired', 'networkAlmostIdle', 'networkIdle', 'firstPaint', 'firstContentfulPaint', 'firstMeaningfulPaint']] (optional, default['firstMeaningfulPaint']
)
Examples
reload('https://google.com')
reload('https://google.com', { timeout: 30000 })
Returns Promise<Object> Object with the description of the action performed and the final URL.
goBack
Mimics browser back button click functionality.
Parameters
options
Object (optional, default{timeout:default_timeout}
)options.waitForEvents
string Events available to wait for ['DOMContentLoaded', 'loadEventFired', 'networkAlmostIdle', 'networkIdle', 'firstPaint', 'firstContentfulPaint', 'firstMeaningfulPaint']] (optional, default['firstMeaningfulPaint']
)
Examples
goBack()
Returns Promise<Object> Object with the description of the action performed.
goForward
Mimics browser forward button click functionality.
Parameters
options
Object (optional, default{timeout:default_timeout}
)options.waitForEvents
string Events available to wait for ['DOMContentLoaded', 'loadEventFired', 'networkAlmostIdle', 'networkIdle', 'firstPaint', 'firstContentfulPaint', 'firstMeaningfulPaint']] (optional, default['firstMeaningfulPaint']
)
Examples
goForward()
Returns Promise<Object> Object with the description of the action performed.
currentURL
Returns window's current URL.
Examples
openBrowser();
goto("www.google.com");
currentURL();
returns "https://www.google.com/?gws_rd=ssl"
title
Returns page's title.
click
Fetches an element with the given selector, scrolls it into view if needed, and then clicks in the center of the element. If there's no element matching selector, the method throws an error.
Parameters
selector
(selector | string) A selector to search for element to click. If there are multiple elements satisfying the selector, the first will be clicked.options
Object Click options.options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timeout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)options.waitForStart
number wait for navigation to start. Default to 500ms (optional, default500
)options.timeout
number Timeout value in milliseconds for navigation after click. (optional, default5000
)options.button
stringleft
,right
, ormiddle
. (optional, default'left'
)options.clickCount
number Number of times to click on the element. (optional, default1
)options.elementsToMatch
number Number of elements to loop through to match the element with given selector. (optional, default10
)
Examples
click('Get Started')
click(link('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
doubleClick
Fetches an element with the given selector, scrolls it into view if needed, and then double clicks the element. If there's no element matching selector, the method throws an error.
Parameters
selector
(selector | string) A selector to search for element to click. If there are multiple elements satisfying the selector, the first will be double clicked.options
Object Click options. (optional, default{}
)options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)
args
...any
Examples
doubleClick('Get Started')
doubleClick(button('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
rightClick
Fetches an element with the given selector, scrolls it into view if needed, and then right clicks the element. If there's no element matching selector, the method throws an error.
Parameters
selector
(selector | string) A selector to search for element to right click. If there are multiple elements satisfying the selector, the first will be double clicked.options
Object Click options. (optional, default{}
)options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)
args
...any
Examples
rightClick('Get Started')
rightClick(text('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
dragAndDrop
Fetches the source element with given selector and moves it to given destination selector or moves for given distance. If there's no element matching selector, the method throws an error. Drag and drop of HTML5 draggable does not work as expected. Issue tracked here https://github.com/getgauge/taiko/issues/279
Parameters
source
(selector | string) Element to be Draggeddestination
(selector | string) Element for dropping the dragged elementdistance
object Distance to be moved from position of source element
Examples
dragAndDrop($("work"),into($('work done')))
dragAndDrop($("work"),{up:10,down:10,left:10,right:10})
Returns Promise<Object> Object with the description of the action performed.
hover
Fetches an element with the given selector, scrolls it into view if needed, and then hovers over the center of the element. If there's no element matching selector, the method throws an error.
Parameters
selector
(selector | string) A selector to search for element to right click. If there are multiple elements satisfying the selector, the first will be hovered.options
(optional, default{}
)
Examples
hover('Get Started')
hover(link('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
focus
Fetches an element with the given selector and focuses it. If there's no element matching selector, the method throws an error.
Parameters
selector
(selector | string) A selector of an element to focus. If there are multiple elements satisfying the selector, the first will be focused.options
object {waitForNavigation:true,waitForStart:500,timeout:10000} (optional, default{}
)
Examples
focus(textField('Username:'))
Returns Promise<Object> Object with the description of the action performed.
write
Types the given text into the focused or given element.
Parameters
text
string Text to type into the element.into
(selector | string)? A selector of an element to write into.options
Object? (optional, default{delay:10}
)options.delay
number Time to wait between key presses in milliseconds.options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timeout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)options.waitForStart
number wait for navigation to start. Default to 500ms (optional, default500
)options.timeout
number Timeout value in milliseconds for navigation after click (optional, default5000
)
Examples
write('admin', into('Username:'))
write('admin', 'Username:')
write('admin')
Returns Promise<Object> Object with the description of the action performed.
Clears the value of given selector. If no selector is given clears the current active element.
Parameters
selector
selector A selector to search for element to clear. If there are multiple elements satisfying the selector, the first will be cleared.options
Object Click options. (optional, default{}
)options.waitForNavigation
boolean Wait for navigation after clear. Default navigation timeout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)options.waitForStart
number wait for navigation to start. Default to 500ms (optional, default500
)options.timeout
number Timeout value in milliseconds for navigation after click. (optional, default5000
)
Examples
clear()
clear(inputField({placeholder:'Email'}))
Returns Promise<Object> Object with the description of the action performed.
attach
Attaches a file to a file input element.
Parameters
filepath
string The path of the file to be attached.to
(selector | string) The file input element to which to attach the file.
Examples
attach('c:/abc.txt', to('Please select a file:'))
attach('c:/abc.txt', 'Please select a file:')
Returns Promise<Object> Object with the description of the action performed.
press
Presses the given keys.
Parameters
keys
(string | Array<string>) Name of keys to press, such as ArrowLeft. See USKeyboardLayout for a list of all key names.options
Object (optional, default{}
)options.text
string? If specified, generates an input event with this text.options.delay
number Time to wait between keydown and keyup in milliseconds. (optional, default0
)options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timeout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)options.waitForStart
number wait for navigation to start. Default to 500ms (optional, default500
)options.timeout
number Timeout value in milliseconds for navigation after click. (optional, default5000
)
Examples
press('Enter')
press('a')
press(['Shift', 'ArrowLeft', 'ArrowLeft'])
Returns Promise<Object> Object with the description of the action performed.
highlight
Highlights the given element on the page by drawing a red rectangle around it. This is useful for debugging purposes.
Parameters
selector
(selector | string) A selector of an element to highlight. If there are multiple elements satisfying the selector, the first will be highlighted.args
...relativeSelector Proximity selectors
Examples
highlight('Get Started')
highlight(link('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
Scrolls the page to the given element.
Parameters
Examples
scrollTo('Get Started')
scrollTo(link('Get Started'))
Returns Promise<Object> Object with the description of the action performed.
Scrolls the page/element to the right.
Parameters
Examples
scrollRight()
scrollRight(1000)
scrollRight('Element containing text')
scrollRight('Element containing text', 1000)
Returns Promise<Object> Object with the description of the action performed.
Scrolls the page/element to the left.
Parameters
Examples
scrollLeft()
scrollLeft(1000)
scrollLeft('Element containing text')
scrollLeft('Element containing text', 1000)
Returns Promise<Object> Object with the description of the action performed.
Scrolls up the page/element.
Parameters
Examples
scrollUp()
scrollUp(1000)
scrollUp('Element containing text')
scrollUp('Element containing text', 1000)
Returns Promise<Object> Object with the description of the action performed.
Scrolls down the page/element.
Parameters
Examples
scrollDown()
scrollDown(1000)
scrollDown('Element containing text')
scrollDown('Element containing text', 1000)
Returns Promise<Object> Object with the description of the action performed.
screenshot
Captures a screenshot of the page. Appends timeStamp to filename if no filepath given.
Parameters
selector
options
object {path:'screenshot.png', fullPage:true, padding:16} or {encoding:'base64'} (optional, default{}
)
Examples
screenshot()
screenshot({path : 'screenshot.png'})
screenshot({fullPage:true})
screenshot(text('Images', toRightOf('gmail')))
Returns Promise<Buffer> Promise which resolves to buffer with captured screenshot if {encoding:'base64} given.
Returns Promise<object> Object with the description of the action performed
$
This selector lets you identify elements on the web page via XPath or CSS selector.
Parameters
Examples
highlight($(`//*[text()='text']`))
$(`//*[text()='text']`).exists()
$(`#id`)
Returns ElementWrapper
image
This selector lets you identify an image on a web page. Typically, this is done via the image's alt text or attribute and value pairs.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectorsalt
string The image's alt text.
Examples
click(image('alt'))
image('alt').exists()
Returns ElementWrapper
This selector lets you identify a link on a web page with text or attribute and value pairs.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectorstext
string The link text.
Examples
click(link('Get Started'))
link('Get Started').exists()
Returns ElementWrapper
listItem
This selector lets you identify a list item (HTML
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectorslabel
string The label of the list item.
Examples
highlight(listItem('Get Started'))
listItem('Get Started').exists()
Returns ElementWrapper
button
This selector lets you identify a button on a web page with label or attribute and value pairs.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectorslabel
string The button label.
Examples
highlight(button('Get Started'))
button('Get Started').exists()
Returns ElementWrapper
inputField
This selector lets you identify an input field on a web page with label or attribute and value pairs.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectors
Examples
focus(inputField({'id':'name'})
inputField({'id': 'name'}).exists()
Returns ElementWrapper
fileField
This selector lets you identify a file input field on a web page either with label or with attribute and value pairs.
Parameters
label
string The label (human-visible name) of the file input field.attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectors
Examples
fileField('Please select a file:').value()
fileField('Please select a file:').exists()
fileField({'id':'file'}).exists()
Returns ElementWrapper
textField
This selector lets you identify a text field on a web page either with label or with attribute and value pairs.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}label
string The label (human-visible name) of the text field.args
...relativeSelector Proximity selectors
Examples
focus(textField('Username:'))
textField('Username:').exists()
Returns ElementWrapper
tap
Parameters
selector
options
(optional, default{}
)args
...relativeSelector Proximity selectorsfalse
options.waitForNavigation Default to true
Examples
tap('Gmail')
tap(link('Gmail'))
Returns Promise<Object> Object with the description of the action performed.
comboBox
This selector lets you identify a combo box on a web page either with label or with attribute and value pairs. Any value can be selected using value or text of the options.
Parameters
attrValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}args
...relativeSelector Proximity selectorslabel
string The label (human-visible name) of the combo box.
Examples
comboBox('Vehicle:').select('Car')
comboBox('Vehicle:').value()
comboBox('Vehicle:').exists()
Returns ElementWrapper
checkBox
This selector lets you identify a checkbox on a web page either with label or with attribute and value pairs.
Parameters
attrValuePairs
args
...relativeSelector Proximity selectorsattributeValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}label
string The label (human-visible name) of the check box.
Examples
checkBox('Vehicle').check()
checkBox('Vehicle').uncheck()
checkBox('Vehicle').isChecked()
checkBox('Vehicle').exists()
Returns ElementWrapper
radioButton
This selector lets you identify a radio button on a web page either with label or with attribute and value pairs.
Parameters
attrValuePairs
args
...relativeSelectorattributeValuePairs
object Pairs of attribute and value like {"id":"name","class":"class-name"}label
string The label (human-visible name) of the radio button.
Examples
radioButton('Vehicle').select()
radioButton('Vehicle').deselect()
radioButton('Vehicle').isSelected()
radioButton('Vehicle').exists()
Returns ElementWrapper
text
This selector lets you identify an element with text. Looks for exact match if not found does contains.
Parameters
text
string Text to match.args
...relativeSelector Proximity selectors
Examples
highlight(text('Vehicle'))
text('Vehicle').exists()
Returns ElementWrapper
contains
This selector lets you identify an element containing the text. DEPRECATED since text will do contains if exact match not found
Parameters
text
string Text to match.args
...relativeSelector Proximity selectors
Examples
contains('Vehicle').exists()
Returns ElementWrapper
toLeftOf
This relativeSelector lets you perform relative HTML element searches.
Parameters
Examples
click(link("Block", toLeftOf("name"))
Returns RelativeSearchElement
toRightOf
This relativeSelector lets you perform relative HTML element searches.
Parameters
Examples
click(link("Block", toRightOf("name"))
Returns RelativeSearchElement
above
This relativeSelector lets you perform relative HTML element searches.
Parameters
Examples
click(link("Block", above("name"))
Returns RelativeSearchElement
below
This relativeSelector lets you perform relative HTML element searches.
Parameters
Examples
click(link("Block", below("name"))
Returns RelativeSearchElement
near
This relativeSelector lets you perform relative HTML element searches. An element is considered nearer to a reference element, only if the element offset is lesser than the 30px of the reference element in any direction. Default offset is 30 px to override set options = {offset:50}
Parameters
Examples
click(link("Block", near("name"))
click(link("Block", near("name", {offset: 50}))
Returns RelativeSearchElement
alert
Lets you perform an operation when an alert
with given text is shown.
Parameters
message
string Identify alert based on this message.callback
function Operation to perform. Accept/Dismiss
Examples
alert('Message', async () => await dismiss())
prompt
Lets you perform an operation when a prompt
with given text is shown.
Parameters
message
string Identify prompt based on this message.callback
function Operation to perform.Accept/Dismiss
Examples
prompt('Message', async () => await dismiss())
confirm
Lets you perform an operation when a confirm
with given text is shown.
Parameters
message
string Identify confirm based on this message.callback
function Operation to perform.Accept/Dismiss
Examples
confirm('Message', async () => await dismiss())
beforeunload
Lets you perform an operation when a beforeunload
with given text is shown.
Parameters
message
string Identify beforeunload based on this message.callback
function Operation to perform.Accept/Dismiss
Examples
beforeunload('Message', async () => await dismiss())
evaluate
Evaluates script on element matching the given selector.
Parameters
selector
(selector | string) Web element selector.callback
function callback method to execute on the element.options
Object Click options. (optional, default{}
)options.waitForNavigation
boolean Wait for navigation after the click. Default navigation timeout is 15 seconds, to override pass{ timeout: 10000 }
inoptions
parameter. (optional, defaulttrue
)options.waitForStart
number wait for navigation to start. Default to 500ms (optional, default500
)options.timeout
number Timeout value in milliseconds for navigation after click. (optional, default5000
)
Examples
evaluate(link("something"), (element) => element.style.backgroundColor)
evaluate(()=>{return document.title})
Returns Promise<Object> Object with description of action performed and return value of callback given
intervalSecs
Converts seconds to milliseconds.
Parameters
secs
number Seconds to convert.
Examples
link('Plugins').exists(intervalSecs(1))
Returns number Milliseconds.
timeoutSecs
Converts seconds to milliseconds.
Parameters
secs
number Seconds to convert.
Examples
link('Plugins').exists(intervalSecs(1), timeoutSecs(10))
Returns number Milliseconds.
to
This function is used to improve the readability. It simply returns the parameter passed into it.
Parameters
Examples
attach('c:/abc.txt', to('Please select a file:'))
into
This function is used to improve the readability. It simply returns the parameter passed into it.
Parameters
Examples
write("user", into('Username:'))
waitFor
This function is used to wait for number of secs given.
Examples
waitFor(intervalSecs(5))
Returns promise
accept
Accept callback for dialogs
dismiss
Dismiss callback for dialogs
selector
Identifies an element on the page.
Type: Function
Parameters
Examples
link('Sign in')
button('Get Started')
$('#id')
text('Home')
relativeSelector
Lets you perform relative HTML element searches.
Type: Function
Parameters
Examples
near('Home')
toLeftOf('Sign in')
toRightOf('Get Started')
above('Sign in')
below('Home')
link('Sign In',near("Home"),toLeftOf("Sign Out")) - Multiple selectors can be used to perform relative search
Returns RelativeSearchElement
RelativeSearchElement
Represents a relative HTML element search. This is returned by relativeSelector
Type: Object
Examples
above('username')
ElementWrapper
Wrapper object for the element present on the web page. Extra methods are avaliable based on the element type.
get()
,exists()
,description
,text()
for all the elements. (NOTE:exists()
returns boolean form version0.4.0
)value()
for input field, fileField and text field.value()
,select()
for combo box.check()
,uncheck()
,isChecked()
for checkbox.select()
,deselect()
,isSelected()
for radio button.
Type: Object
Properties
exists
function (number, number) Checks existence for element.description
string Describing the operation performed.text
Array Gives innerText of all matching elements.
Examples
link('google').exists()
link('google').exists(intervalSecs(1), timeoutSecs(10))
link('google').description
textField('username').value()
$('.class').text()
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