JavaScript String method: toUpperCase()
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The toUpperCase() method (when applied to
a JavaScript
string) returns
a string that is the original string converted to lower case characters,
bearing in mind the language settings of the browser.
It
has the following syntax (with no parameters):
string.toUpperCase()
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 q = "aBcD";
document.getElementById("Example").innerHTML =
'var q = "' + q + '";<br>' +
'var x = q.toUpperCase();';
document.getElementById("Result").innerHTML =
q.toUpperCase();
</script>
</body>
</html>
|
FUNCTION THAT MAY ASSIST IN TESTING WHETHER FEATURE IS SUPPORTED:
function isSupportedJavaScriptMethodStringToUpperCase() {
var z = "abc"; return !!z.toUpperCase;
} |
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