Izmjenjena struktura, dodan backand

web/node_modules/es5-ext/string/#/contains/implement.js

@@ -0,0 +1,9 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(String.prototype, "contains",
+		{ value: require("./shim"),
+configurable: true,
+enumerable: false,
+			writable: true });
+}

web/node_modules/es5-ext/string/#/contains/index.js

@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? String.prototype.contains
+	: require("./shim");

web/node_modules/es5-ext/string/#/contains/is-implemented.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var str = "razdwatrzy";
+
+module.exports = function () {
+	if (typeof str.contains !== "function") return false;
+	return (str.contains("dwa") === true) && (str.contains("foo") === false);
+};

web/node_modules/es5-ext/string/#/contains/shim.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var indexOf = String.prototype.indexOf;
+
+module.exports = function (searchString/*, position*/) {
+	return indexOf.call(this, searchString, arguments[1]) > -1;
+};