The ES5 Object method in javascript is used to find more methods to interact with the objects.
The ES5 Object method can do:
- prevents enumeration
- manipulation
- deletion
- prevent addition of new features
- getters and setters
Syntax:
Object.defineProperty(object, property, {value : value})
The following Meta Data value can be true or false:
- writable
- enumerable
- configurable
Example to get all properties:
<!DOCTYPE html> <html>   <body>     <div style="background-color: green;">         <center>             <h2>Geeksforneveropen</h2>             <h3>The properties of the object are:</h3>               <h3 id="demo"></h3>         </center>     </div>       <script>         var person = {             name: "xyz",             address: "noida",             language: "hindi"         }         // Change Property         Object.defineProperty(person,             "language", { enumerable: false });           document.getElementById("demo").innerHTML             = Object.getOwnPropertyNames(person);     </script> </body>   </html> |
Example to get enumerable properties:
<!DOCTYPE html> <html>   <body>     <div style="background-color: green;">         <center>             <h2>Geeksforneveropen</h2>             <h3>The properties of the object are:</h3>               <h3 id="demo"></h3>         </center>     </div>       <script type="text/javascript">         var person = {             name: "xyz",             address: "noida",             language: "hindi"         }           // Change Property         Object.defineProperty(person,             "language", { enumerable: false });           document.getElementById("demo")             .innerHTML = Object.keys(person);     </script> </body>   </html> |
Example to add a property:
<!DOCTYPE html> <html>   <body>     <div style="background-color: green;">         <center>             <h2>Geeksforneveropen</h2>             <h3>                 The mobno property is added and                 the value of that property is:             </h3>               <h3 id="demo"></h3>         </center>     </div>       <script>         var person = {             name: "xyz",             address: "noida",             language: "hindi"         }           Object.defineProperty(person,             "mobno", { value: "979889xxxx" });           // Display Properties         document.getElementById("demo")             .innerHTML = person.mobno;     </script> </body>   </html> |
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