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JavaScript MCQs

Which of the following is not a valid method for looping an array?

var a= [1,2]; for (var i = 0; i < a.length; i++) { alert(a[i]); }

var a= [1,2]; a.forEach( function(item) { alert(item); })

var a= [1,2]; a.map( function(item) { alert(item); })

var a= [1,2]; a.loop( function(item) { alert(item); })

Answer

Correct Answer: var a= [1,2]; a.loop( function(item) { alert(item); })

Explanation:

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