摘要: String.prototype.trim = function ()
{
return this .replace( / ( ^ \s * ) | (\s * $) / g, "" );
}
String.prototype.ltrim = function ()
{
return this .replace( / ( ^ \s * ) / , "" );
}
String.prototype.rtrim = function ()
{
return this .replace( / (\s * $) / , "" );
}
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