String.trim()

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<h2>JavaScript String.trim()</h2>

<p>Click the button to alert the string with removed whitespace.</p>

<p><strong>Note:</strong> The trim() method is not supported in Internet Explorer 8 and earlier versions.</p>

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<p>To trim a string you can use a regular expression instead.</p>
<button onclick="myFunction2()">Try it</button>

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<p>To trim a string you can use a polyfill.</p>
<button onclick="myFunction3()">Try it</button>

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