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HTML | DOM insertAdjacentHTML() Method
  • Last Updated : 25 Jul, 2019

The DOM insertAdjacentHTML() method is used to insert a text as HTML file to a specified position. This method is used to change or add text as HTML.

Syntax :

node.insertAdjacentHTML(specify-position, text-to-enter)

Return Value : This will return the page with the specified change.

There are four legal position values that can be used.

  • afterbegin
  • afterend
  • beforebegin
  • beforeend
PositionsEffect
afterbegin :This will add text when the selected element just begin.
afterend :This will add text when the selected element just end.
beforebegin :This will add text when the selected element about to begin.
beforeend :This will add text when the selected element about to end.

Example-1: This is the example for the “afterbegin” position.






<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML | DOM insertAdjacentHTML() Method
    </title>
    <style>
            h1,
        h2 {
            color: green;
            text-align: center;
        }
          
        div {
            width: 80%;
            height: 240px;
            border: 2px solid green;
            padding: 10px;
    </style>
</head>
  
<body>
    <div>
        <h2>Welcome to</h2>
        <h1>
          <u>GeeksforGeeks.!</u>
        </h1>
        <h2 id="main"
          HTML DOM insertAdjacentHTML() Method
        </h2>
    </div>
    <br>
    <button onclick="myFunction()">Click me.!</button>
  
    <script>
        function myFunction() {
            var h = document.getElementById("main");
            h.insertAdjacentHTML("afterbegin",
                "<span style='color:green; " +
                "background-color: lightgrey; " +
                "width: 50%;'>This is Example of</span>");
        }
    </script>
  
</body>
  
</html>

Output :

Before click on the button:

After click on the button:

Example-2: This is the example for the “afterend” position.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML | DOM insertAdjacentHTML() Method
    </title>
    <style>
            h1,
        h2 {
            color: green;
            text-align: center;
        }
          
        div {
            width: 80%;
            height: 240px;
            border: 2px solid green;
            padding: 10px;
    </style>
</head>
  
<body>
    <div>
        <h2>Welcome to</h2>
        <h1><u>GeeksforGeeks.!</u></h1>
        <h2 id="main"> This is Example of</h2>
    </div>
    <br>
    <button onclick="myFunction()">Click me.!</button>
  
    <script>
        function myFunction() {
            var h = document.getElementById("main");
            h.insertAdjacentHTML("afterend",
                "<span style='color:green; " +
                "background-color: lightgrey;" +
                "font-size: 25px; " +
                "padding-left: 30px;" +
                "padding-right: 30px;" +
                "width: 50%;'>" +
                "HTML DOM insertAdjacentHTML() Method" +
                "</span>");
        }
    </script>
  
</body>
  
</html>

Output :

Before click on the button:

After click on the button:

Note: Similarly “beforebegin” and “beforeend” can be used to add text in HTML.

Supported Browsers: The browser supported by DOM insertAdjacentHTML() Method are listed below:

  • Google Chrome 1.0
  • Internet Explorer 4.0
  • Firefox 8.0
  • Opera 7.0
  • Safari 4.0
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