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function upload(input) {
      //Ö§³Öchrome IE10  
    if (window.FileReader) {  
        var file = input.files[0];  
        filename = file.name.split(".")[0];  
        var reader = new FileReader();  
        reader.onload = function() {  
            console.log(this.result)  
        console.log(file)

//             alert(this.result);  
        }  
        reader.readAsText(file);  
    }   
    //Ö§³ÖIE 7 8 9 10  
    else if (typeof window.ActiveXObject != 'undefined'){  
        var xmlDoc;   
        xmlDoc = new ActiveXObject("Microsoft.XMLDOM");   
        xmlDoc.async = false;   
        xmlDoc.load(input.value);   
        console.log(input)
//         alert(xmlDoc.xml);   
    }   
    //Ö§³ÖFF  
    else if (document.implementation && document.implementation.createDocument) {   
        var xmlDoc;   
        xmlDoc = document.implementation.createDocument("", "", null);   
        xmlDoc.async = false;   
        xmlDoc.load(input.value);   
        console.log(input)
        
//         alert(xmlDoc.xml);  
    } else {   
        alert('error');   
    }   
}

let myinput = `<input type='file' onchange='upload(this)' />`

document.body.innerHTML=myinput

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