Insert element before another element in JavaScript
Description
The following code shows how to insert element before another element.
Example
<!-- w w w . j a va 2s. c om-->
<!DOCTYPE HTML>
<html>
<body>
<p id="textblock">
This is a test.
</p>
<p>
<button id="insert">Insert Element</button>
</p>
<script>
document.getElementById("insert").onclick = function() {
var textBlock = document.getElementById("textblock");
textBlock.firstChild.splitText(10);
var newText = textBlock.childNodes[1].splitText(4).previousSibling;
textBlock.insertBefore(document.createElement("b"), newText).appendChild(newText);
}
</script>
</body>
</html>
The code above generates the following result.
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