Example of how JavaScript implements browser downloading files

This article uses a simple code to introduce to you the method of JS to implement browser downloading files. Friends who need it can refer to it

No more nonsense, I will directly post the code for you, the specific code As shown below:

function download(src) {
    var $a = document.createElement('a');
    $a.setAttribute("href", src);
    $a.setAttribute("download", "");
    var evObj = document.createEvent('MouseEvents');
    evObj.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, true, false, 0, null);
    $a.dispatchEvent(evObj);
  };

This method is found from the Internet and can be called directly. If you use the direct path, you can use

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