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How to change src path in JavaScript
- 青灯夜游Original
- 2022-01-18 16:24:365416browse
How to change the src path in JavaScript: 1. Use the src attribute of the element object, the syntax "element object.src="new path address";"; 2. Use the setAttribute() method, the syntax "element object. setAttribute("src","new path address");".
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
JavaScript to change the src path
Method 1: Use the src attribute of the element object
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<img id="img" src="img/1.jpg" style="max-width:90%"/ alt="How to change src path in JavaScript" ><br>
<button onclick="myFunction()">更改src的路径（换图）</button>
<script>
function myFunction() {
var img=document.getElementById("img");
img.src="img/2.jpg";
}
</script>
</body>
</html> 
Method 2: Using the setAttribute() method
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<img id="img" src="img/1.jpg" style="max-width:90%"/ alt="How to change src path in JavaScript" ><br>
<button onclick="myFunction()">更改src的路径（换图）</button>
<script>
function myFunction() {
var img=document.getElementById("img");
img.setAttribute("src","img/3.jpg");
}
</script>
</body>
</html>
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