Given an HTML element and the task is to create an <img> element and append it to the document using JavaScript. In the following examples, when someone clicks on the button then the <img> element is created. We can replace the click event with any other JavaScript event.
Approach 1:
- Create an empty img element using document.createElement() method.
- Then set its attributes like (src, height, width, alt, title, etc).
- Finally, insert it into the document.
Example: This example implements the above approach.
html
<!DOCTYPE HTML>
<html>
<head>
<title>
How to create an image element
dynamically using JavaScript ?
</title>
</head>
<body id="body" style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<h3>
Click on the button to add image element
</h3>
<button onclick="GFG_Fun()">
click here
</button>
<h2 id="result" style="color:green;"></h2>
<script>
let res = document.getElementById('result');
function GFG_Fun() {
let img = document.createElement('img');
img.src =
document.getElementById('body').appendChild(img);
res.innerHTML = "Image Element Added.";
}
</script>
</body>
</html>
|
Output:
Approach 2:
- Create an empty image instance using new Image().
- Then set its attributes like (src, height, width, alt, title, etc).
- Finally, insert it into the document.
Example: This example implements the above approach.
html
<!DOCTYPE HTML>
<html>
<head>
<title>
How to create an image element
dynamically using JavaScript ?
</title>
</head>
<body id="body" style="text-align:center;">
<h1 style="color:green;">
GeeksforGeeks
</h1>
<h3>
Click on the button to add image element
</h3>
<button onclick="GFG_Fun()">
click here
</button>
<h2 id="result" style="color:green;"></h2>
<script>
let res = document.getElementById('result');
function GFG_Fun() {
let img = new Image();
img.src =
document.getElementById('body').appendChild(img);
res.innerHTML = "Image Element Added.";
}
</script>
</body>
</html>
|
Output:
JavaScript is best known for web page development but it is also used in a variety of non-browser environments. You can learn JavaScript from the ground up by following this JavaScript Tutorial and JavaScript Examples.