Trim Function

js_trim

//Trim function i usually use this to dismiss space either in the front , back , or middle
//very useful when dealing with email input so no space is exist
/*this is alternative way , whether you want to use keypress validation that just allow number , character , space , an , backspace
  its up to you*/

//**********************************//
//***********TRIM FUNCTION***********//
//**********************************//
function trim(str){
return str.replace(/^\s+/g,"").replace(/\s+/g,"")
}


/*test him*/
var a='  A    B  ';
alert(a.length);
alert(trim(a).length);