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<html><body><h1>JavaScript Number Methods</h1><h2>The Number.parseInt() Method</h2><p>Parse a string and returns the first integer:</p><p id="demo"></p><script>document.getElementById("demo").innerHTML =Number.parseInt("10") + "<br>" +Number.parseInt("10.00") + "<br>" +Number.parseInt("10.33") + "<br>" +Number.parseInt("34 45 66") + "<br>" +Number.parseInt(" 60 ") + "<br>" +Number.parseInt("40 years") + "<br>" +Number.parseInt("He was 40");</script></body></html>