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If the form is clicked too quickly, it will be submitted multiple times. Is it necessary to add a mask layer to prevent multiple submissions?
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Write ## in the JS method
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Write ## in the JS method
#After click $('#sendSmsBtn').addClass("layui-btn-disabled").attr("disabled",true); After callback $('#sendSmsBtn').removeClass("layui-btn-disabled").attr("disabled",false);