JavaScript get TextArea input via .value or .innerHTML?

无人久伴 提交于 2019-11-26 14:42:45

You should use .value

myTextArea.value

For div and span, you can use innerHTML, but for textarea use value. Please see the example below.

<script language="javascript/text">
document.getElementById("spanText").innerHTML ="text";
document.getElementById("divText").innerHTML ="text";
document.getElementById("textArea").value ="text";
</script>


<span id="spanText"></span>
<div id="divText"></div>
<textarea id="textArea"></textArea>

One difference is that you can use HTML entities with .innerHTML

document.getElementById('t1').innerHTML = '&lt;&gt;&amp;';
document.getElementById('t2').value = '&lt;&gt;&amp;';
<textarea id="t1"></textarea>
<textarea id="t2"></textarea>

Don't use innerHTML use value e.g. document.getElementById(name).value

The answer depends on your situation.

I would personally use .value as that's what the other form inputs provide. It's easier to be in the habit of doing it that way.

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