Ajaxupload.js在最新版chrome 83版浏览器oncomplete失效问题解决方法

很多老的项目用ajaxupload 上传文件，但chrome浏览器升级到83版本后，oncomplete 方法就失效了。
查看了ajaxupload源码后，Github:Ajaxupload.js

        _createIframe: function(){
            // We can't use getTime, because it sometimes return
            // same value in safari :(
            var id = getUID();            
             
            // We can't use following code as the name attribute
            // won't be properly registered in IE6, and new window
            // on form submit will open
            // var iframe = document.createElement('iframe');
            // iframe.setAttribute('name', id);                        
 
            var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
            // src="javascript:false; was added
            // because it possibly removes ie6 prompt 
            // "This page contains both secure and nonsecure items"
            // Anyway, it doesn't do any harm.            
            iframe.setAttribute('id', id);
            
            iframe.style.display = 'none';
            document.body.appendChild(iframe);
            
            return iframe;
        },

把var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
改成var iframe = toElement('<iframe src="about:blank" name="' + id + '" />');后，
oncomplete恢复正常。
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原文链接：https://blog.csdn.net/kansousama/article/details/106427773