how to get the width and height attribute of an image successfully uploaded
/ / Please paste the code text below (do not replace the code with pictures)
var btn = document.getElementById("uploadImg");//
var file = btn.files[0];
var reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = function(){ //result
var img = new Image();
img.onload = function(){
console.log(img.wdith,img.height)
}
img.src = this.result;
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