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What is the Disadvantage of using innerHTML in JavaScript ?
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How to use innerHTML in JavaScript ?

Last Updated : 14 Feb, 2024
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The innerHTML property in JavaScript allows you to get or set the HTML content of an element as a string.

Syntax For

Getting HTML content of an element:

let element = document.getElementById("myElementId"); let htmlContent = element.innerHTML;

Setting HTML content of an element:

let element = document.getElementById("myElementId"); element.innerHTML = "New HTML content";

Here are step-by-step instructions on how to use the innerHTML property in JavaScript

Step 1: Access an HTML element

Use JavaScript to select the HTML element you want to manipulate. You can do this using various methods like document.getElementById(), document.querySelector(), or document.querySelectorAll().

<div id="myElement">Initial content</div>
let element = document.getElementById("myElement");

Step 2: Get the HTML content

If you want to retrieve the current HTML content of the element, use the innerHTML property.

let htmlContent = element.innerHTML; console.log(htmlContent); 
// Output: Initial content

Step 3: Set the HTML content

If you want to replace or update the HTML content of the element, assign a new HTML string to the innerHTML property.

element.innerHTML = "<b>New content</b>";

Step 4: Verify the changes(optional)

You can optionally verify that the HTML content has been updated as expected by accessing the element again or using browser developer tools.

console.log(element.innerHTML);  // Output: <b>New content</b>

Example: Here, we have show the code on how to use innerHTML in JavaScript.

HTML 
<!DOCTYPE html> <html lang="en">  <head>     <meta charset="UTF-8">     <meta name="viewport" content="width=device-width,                                    initial-scale=1.0">     <title>innerHTML Example</title>     <style>         .container {             padding: 10px;         }     </style> </head>  <body>     <div class="container" id="myElement">Initial content</div>     <button onclick="changeContent()">Change Content</button>      <script>         function changeContent() {             let element = document.getElementById("myElement");             element.innerHTML = "<b>New content</b>";         }     </script> </body>  </html>

Output:

content

Next Article
What is the Disadvantage of using innerHTML in JavaScript ?

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Article Tags :
  • JavaScript
  • Web Technologies
  • javaScript

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