Data commit

Task/Associative-array-Creation/JavaScript/associative-array-creation-1.js

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+var assoc = {};
+
+assoc['foo'] = 'bar';
+assoc['another-key'] = 3;
+
+// dot notation can be used if the property name is a valid identifier
+assoc.thirdKey = 'we can also do this!';
+assoc[2] = "the index here is the string '2'";
+
+//using JavaScript's object literal notation
+var assoc = {
+  foo: 'bar',
+  'another-key': 3 //the key can either be enclosed by quotes or not
+};
+
+//iterating keys
+for (var key in assoc) {
+  // hasOwnProperty() method ensures the property isn't inherited
+  if (assoc.hasOwnProperty(key)) {
+    alert('key:"' + key + '", value:"' + assoc[key] + '"');
+  }
+}