Javascript Questions Set 22:
JavaScript is a ________ language.
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JavaScript is an ________ language?
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What will be the output?
var arr = [1, 2, 5, 10, 20]; var result = arr.reduce((a, i) => { return a + i; }); console.log(result);
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What is the default value of the useCapture parameter in event listeners?
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Which statement will be equivalent to the following statement?
var o = new Object();
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The client-side JavaScript asynchronous programming model contains:
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What is the code to start displaying the time when the document loads?
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Which of the following event does client-side Javascript asynchronous programming model contains?
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What will be the output?
(function(){ var a = b = 3; })(); console.log("a defined? " + (typeof a !== 'undefined')); console.log("b defined? " + (typeof b !== 'undefined'));
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Which of the following statements about callbacks is correct?
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