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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Parse Floating Point Numbers from Strings</title> </head> <body> <script> document.write(parseFloat("3.14") + "<br>"); // 3.14 document.write(parseFloat("50px") + "<br>"); // 50 document.write(parseFloat("1.6em") + "<br>"); // 1.6 document.write(parseFloat("124.5 lbs") + "<br>"); // 124.5 document.write(parseFloat("weight 124.5 lbs") + "<br>"); // NaN document.write(parseFloat("6.5 acres")); // 6.5 </script> </body> </html>
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