javascript clear space before and after the string

no string in javascript method trim

Clear empty string method before and after the string

1 can be used out of the way each character deleted

2 can use regular expressions

var regExp=/^/s*(.*?)/s*$/;

var returnValue="   testss  ".replace(regExp,"$1");

Take the first $ n n takes several matching 1-9

$ Nn nn taken 01--99

Of course, the trim method may be utilized jquery