javascript judges that the array is empty - Code World

javascript judges that the array is empty

Others 2020-10-26 09:42:12 views: null

    var  data = [];
    if(data&&data.length ==  0){
       //data为空数组时，要执行的代码
       alert("data为空");
    }

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Origin blog.csdn.net/weixin_43837268/article/details/104491766

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