jquery trim重写详解编程语言

jquery trim重写

String.prototype.trim = function(char, type) {
 if (char) {
 if (type == left) {
 return this.replace(new RegExp(^// + char + +, g), );
 } else if (type == right) {
 return this.replace(new RegExp(// + char + +$, g), );
 }
 return this.replace(new RegExp(^// + char + +|// + char + +$, g), );
 }
 return this.replace(/^/s+|/s+$/g, );
};
 

 str = /Ruchee/;
 console.log(str.trim(/, left)); // Ruchee/

18862.html