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dom - Setting innerHTML vs. setting value with Javascript

When you want to use Javascript to change HTML, how do you know when to use either of the following?

document.getElementById("randomNumber").value = number;
document.getElementById("randomNumber").innerHTML = number;
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Setting the value is normally used for input/form elements. innerHTML is normally used for div, span, td and similar elements.

Here is a link showing the use of ID.value: http://www.javascript-coder.com/javascript-form/javascript-form-value.phtml


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