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Alexey ilyaskin JavaScript format function (printf equivalent)

Created by Alexey ilyaskin
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File snippet.js Added

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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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