javascript-getelement

what type of values given to get开发者_高级运维ElementById() method

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getElementById expects a string.

The following code:

var element = document.getElementById('myId');

finds the following element and assigns it to element

<div id="myId"></div>

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just pass the id of any element like <input type="text" id="text" /> just use getElementById("text")

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a single DOM object, of a specialized class depending on the nature of the element identified by the given ID