JavaScript String method: trim()
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The trim() method (when applied to a JavaScript
string) returns
a string with whitespace (i.e. spaces) removed from start and finish of string.
It
has the following syntax (with no parameters):
string.trim()
EXAMPLE:
HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head>
<style>
table,th,tr,td {border: 1px solid black; border-collapse: collapse;}
</style>
</head>
<body>
<table>
<tr>
<th>Example</th>
<th>Resulting value of <code>x</code></th>
</tr>
<tr>
<td><code id="Example"></code></td>
<td><code id="Result"></code></td>
</tr>
</table>
<script>
var y = " ab "
document.getElementById("Example").innerHTML =
'var y = "<span style="white-space: pre;">' +
y + '</span>";<br>' +
'var x = y.trim();';
document.getElementById("Result").innerHTML = y.trim();
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodStringTrim() {
var z = "abc"; return !!z.trim;
} |
NAVIGATION LINKS
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