javascript - removing the white space at the start of the string -

javascript - removing the white space at the start of the string -

i want remove white space there in start of string should remove space @ start of string, other spaces should there.

var string=' test';

this want:

function ltrim(str) { if(str == null) homecoming null; homecoming str.replace(/^\s+/g, ''); }

also ordinary trim in ie8+:

function trimstr(str) { if(str == null) homecoming null; homecoming str.replace(/^\s+|\s+$/g, ''); }

and trimming right side:

function rtrim(str) { if(str == null) homecoming null; homecoming str.replace(/\s+$/g, ''); }

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