js javaScript中String添加replaceAll 方法

String.prototype.replaceAll = function(s1, s2) {<br />return this.replace(new RegExp(s1, "gm"), s2); //g全域<br />}</p><p>String.prototype.replaceAll2Excep = function(s1, s2) {<br /> var temp = this;<br /> while (temp.indexOf(s1) != -1) {<br /> temp = temp.replace(s1, s2);<br /> }<br /> return temp;<br />}<br />alert("abcedaaabs".replaceAll("a", "A"));<br />alert("abcedaaabs".replaceAll2Excep ("a", "A"));