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//获取字符串长度String.prototype.strLen = function() { var len = 0; for (var i = 0; i < this.length; i++) { if (this.charCodeAt(i) ) len += 2; else len ++; } return len; } //将字符串拆成字符,并存到数组中 String.prototype.strToChars = function(){ var chars = new Array();
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