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JQuery MCQs

Please select the most efficient way(s) of appending a lot of elements to the DOM:

$.each(elementsArray, function(i, item) { var newListItem = "

" + item + "

"; $(‘#list’).append(newListItem); });

var fragment = document.createDocumentFragment(); $.each(elements, function(i, item) { var newListItem = document.createElement(‘li’); var itemText = document.createTextNode(item); newListItem.appendChild(itemText); fragment.appendChild(newListItem); }); $(‘#list’)[0].appendChild(fragment);

var output = ‘’; $.each(elements, function(i, item) { output += ‘

’ + item + ‘

’; }); $(‘#list’).html(output);

Answer

Correct Answer: var output = ‘’; $.each(elements, function(i, item) { output += ‘

’ + item + ‘

’; }); $(‘#list’).html(output);

Explanation:

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