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<html><body><h1>JavaScript String Methods</h1><h2>JavaScript String.trim()</h2><p>IE 8 does not support String.trim(). To trim a string you can use a polyfill.</p><script>if (!String.prototype.trim) { String.prototype.trim = function () { return this.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, ''); };}var str = " Hello World! ";alert(str.trim());</script></body></html>