核心代码
<script type='text/javascript'>String.format = function() {var s = arguments[0];for (var i = 0; i < arguments.length - 1; i++) {var reg = new RegExp("\\{" + i + "\\}", "gm");s = s.replace(reg, arguments[i + 1]);}return s;}function stringFormat() {var s = arguments[0];for (var i = 0; i < arguments.length - 1; i++) {var reg = new RegExp("\\{" + i + "\\}", "gm");s = s.replace(reg, arguments[i + 1]);}return s;}--用法var name='jb51.net';var greeting1 = String.format("Hi--1, {0}, '{1}',this is a '{0}'! ", name, 'uuu');var greeting2 = stringFormat("Hi--2, {0}, '{1}',this is a '{0}'! ", name, 'uuu');alert(greeting1 + '\r\n' + greeting2);</script>下面直接所有的字符串作为扩展
String.format = function() { for (var a = arguments[0], b = 1; b < arguments.length; b++) a = a.replace(RegExp("\\{" + (b - 1) + "\\}", "ig"), arguments[b]); return a};使用方式 : String.format('Hello. My name is {0} {1}.', firstName, lastName);
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