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How to delete class in javascript

王林
王林Original
2021-11-01 17:15:195141browse

Javascript method to delete class: [var btn=document.querySelector(".btn1");btn.onclick=function(){ this.classList.remove("btn2")}].

How to delete class in javascript

#The operating environment of this article: windows10 system, javascript 1.8.5, thinkpad t480 computer.

Javascript method to add class:

obj.classList.add("active");

javascript method to delete class:

obj.classList.remove("active");

Example:

<button class="btn1 btn2">点击</button>
        <script>
            var btn=document.querySelector(".btn1");
            btn.onclick=function(){
                this.classList.remove("btn2")
            }
</script>

Recommended learning: javascript video tutorial

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