Jquery method to change img src attribute: 1. Use attr() attribute, syntax "$("img").attr("src","image file address")"; 2. Use prop () method, syntax "$("img").prop("src","image file address")".
The operating environment of this tutorial: windows7 system, jquery3.6.1 version, Dell G3 computer.
How does jquery change the src attribute of img
##Method 1: Use attr() attribute## The #attr() method sets or returns the attribute value of the selected element.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="js/jquery-3.6.1.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
$("button").click(function() {
$("img").attr("src","img/2.jpg");
});
});
</script>
</head>
<body>
<img src="/static/imghw/default1.png" data-src="img/1.jpg" class="lazy" id="img" style="max-width:90%"/ alt="How to change the src attribute of img in jquery" ><br><br><br>
<button>更改img src屬性值（換圖）</button>
</body>
</html>
Method 2: Use the prop() method
The prop() method sets or returns the attributes and values ??of the selected element .
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script ></script>
<script type="text/javascript">
$(document).ready(function() {
$("button").click(function() {
$("img").prop("src","img/3.jpg");
});
});
</script>
</head>
<body>
<img src="/static/imghw/default1.png" data-src="img/1.jpg" class="lazy" id="img" style="max-width:90%"/ alt="How to change the src attribute of img in jquery" ><br><br><br>
<button>更改img src屬性值（換圖）</button>
</body>
</html>
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jQuery video tutorial
, web front-end introductory video]
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