Javascript Questions Set 150:
Which operator is used to test if a particular property exists or not?
Solution:
The function stops it execution when it encounters the
Solution:
Which event is generated when data changes in a control, such as a text field?
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How do the client and server communicate using the WebSocket protocol?
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Which method is used to append one HTML element to another HTML element?
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What is the use of the * (asterisk) selector in jQuery?
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When the 'end' event is fired on a stream to indicate that no more data will arrive, which function is called?
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Which of the following statements about the Document Object Model (DOM) is true?
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To open a dialog box each time an error occurs, which of the following is added to prefs.js?
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What will be the output of the following JavaScript code?
<p id="demo"></p>
<script>
function myFunction()
{
var patt = new RegExp("World", "g");
var res = patt.toString();
document.getElementById("demo").innerHTML = res;
}
</script>
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