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This method rounds the number to the nearest integer.
number.round(); |
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ alert( "Math.round(4.5) : " + Math.round(4.5) ); alert( "(4.5).round() : " + (4.5).round() ); alert( "(4.49).round() : " + (4.49).round() ); alert( "(-4.5).round() : " + (-4.5).round() ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type="button" value="Result" onclick="showResult();"/> </body> </html> |
To understand it in better way you can Try it yourself.
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