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if (!String.prototype.format) { String.prototype.format = function() { var str = this.toString(); if (!arguments.length) return str; var args = typeof arguments[0], args = (("string" == args || "number" == args) ? arguments : arguments[0]); for (var arg in args) { str = str.replace(RegExp("\\{" + arg + "\\}", "gi"), args[arg]); } return str; } }
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