JavaScript String Function 1

substring extraction

• String.slice( begin [, end ] )
• String.substring( from [, to ] )
• String.substr( start [, length ] )

Other string extraction ( split )

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Reference:
http://www.sitepoint.com/javascript/
http://www.quirksmode.org/js/
http://jsforcats.com/
http://www.tutorialspoint.com/javascript/
http://www.w3schools.com/js/default.asp
http://www.2ality.com/2013/06/basic-javascript.html