This method strips all leading and trailing whitespace from a string.
string.strip();
<html> <head> <title>Prototype examples</title> <script type="text/javascript" src="/javascript/prototype.js"> </script> <script> function showResult(){ var str = " Prototype JavaScript "; alert ("Before strip : " + str ); alert ("After strip : " + str.strip() ); } </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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