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JavaScript - remove element attribute
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In this article, we would like to show you how to add an attribute to the element / node in JavaScript.
Quick solution:
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var myElement = document.querySelector('#element-id'); // get element by id2
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myElement.removeAttribute(attributeName); // remove attribute from the element
Example 1
In this example, we will remove class attribute from the myDiv element using removeAttribute() method.
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<html>3
<head>4
<style>5
.blue {6
background: lightblue;7
}8
</style>9
</head>10
<body>11
<div id="my-div" class="blue">This is my div.</div>12
<script>13
var myDiv = document.querySelector('#my-div'); // get element by id14
myDiv.removeAttribute('class'); // remove class attribute from myDiv15
</script>16
</body>17
</html>Example 2
In this example, we will remove class attribute from the myDiv element using removeAttribute() method. The class value will be removed on button click.
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<html>3
<head>4
<style>5
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div {7
margin: 5px 5px 15px 20px;8
width: 100px;9
height: 100px;10
border: 1px solid black;11
border-radius: 10px;12
background: lightgray;13
}14
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.red-div {16
background: red;17
}18
</style>19
</head>20
<body>21
<div id="my-div" class="red-div"></div>22
<button onclick="removeClass()">remove class attribute</button>23
<script>24
var myDiv = document.querySelector('#my-div');25
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function removeClass() {27
myDiv.removeAttribute('class');28
}29
</script>30
</body>31
</html>