//函数
String.prototype.trim = function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
String.prototype.ltrim = function(){return this.replace(/^\s*/,"");}
String.prototype.rtrim = function(){return this.replace(/\s*$/,"");}使用
" abc ".trim();
" abc".ltrim();
"abc ".rtrim();
String.prototype.trim = function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
String.prototype.ltrim = function(){return this.replace(/^\s*/,"");}
String.prototype.rtrim = function(){return this.replace(/\s*$/,"");}使用
" abc ".trim();
" abc".ltrim();
"abc ".rtrim();
解决方案 »
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