String.prototype.startWith=function(s){ if(s==null||s==""||this.length==0||s.length>this.length) return false; if(this.substr(0,s.length)==s) return true; else return false; return true; }
时间: 2024-11-04 13:23:39
String.prototype.startWith=function(s){ if(s==null||s==""||this.length==0||s.length>this.length) return false; if(this.substr(0,s.length)==s) return true; else return false; return true; }