Exam (elaborations)
C777 (WEB DEVELOPMENT APPLICATION) STUDY Questions and Answers WESTERN GOVERNORS’ UNIVERSITY
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C777 (WEB DEVELOPMENT APPLICATION) STUDY Questions and Answers WESTERN GOVERNORS’ UNIVERSITY
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C777 (WEB DEVELOPMENT APPLICATION)STUDY Questions and Answers WESTERN
GOVERNORS’ UNIVERSITY
Event that occurs when a form's Reset button is clicked
✔✔reset
Event that occurs when the user selects the text in a form field
✔✔select
Event that occurs when a form's Submit button is clicked
✔✔submit
Event that occurs when a page is unloaded from the browser
✔✔unload
Event that occurs when a page is loaded into the browser
✔✔load
Event that occurs when the user clicks on a link or form element
✔✔click
Event that occurs when the user moves the mouse pointer over a visible
element on a page
✔✔mouseOver
,Event that occurs when the mouse pointer leaves a visible element on a
page
✔✔mouseOut
In JavaScript, function names must begin with this
✔✔letter or _
Except for the first character, function names in JavaScript can contain
these
✔✔letters, numbers, _, or $
True or false: JavaScript is parsed according to its position in the page, as
the browser works its way through the HTML
✔✔true
Typically syntax errors, these usually cause error alerts
✔✔load-time errors
Typically caused by improper use of commands, these errors can cause
error alerts
✔✔run-time errors
Errors that result in the script running improperly. They do not cause error
alerts. The script may return unexpected results or may fail to execute at
, all.
✔✔logic errors
The two most common JavaScript coding errors
✔✔misspelling and case-sensitivity
The method to retrieve a canvas's drawing context
✔✔canvas.getContext("2d")
The method to retrieve a canvas's WebGL context
✔✔canvas.getContext("webgl")
How do you get browsers to download an updated Offline webapp if it's
already been cached?
✔✔change manifest file
Geolocation API to retrieve the user's current location
✔✔getCurrentPosition()
Geolocation API to request periodic updates of the user's position
✔✔watchPosition()
Geolocation API to cancel watching the user's location
✔✔clearWatch()
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