after getting the img tag, use the beforeBegin method and then use the setattribute method to add custom attributes
var str='<img src="/Upload/image/20180419/small/20180419160436_5324_160436_i160436.jpg">
';
var s=str.replace(/(<img [^<]+>)/ig,'<a data-name="aa">$1</a>')
console.log(s)Previous: The data defined by vue.js cannot be printed.
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