javascript - 是否可以在 JavaScript 中显示 [object FileList] 的内容？

Question

if(this.all.length > 0){
    for(var k=0; k<this.all.length; k++){               
        alert(this.all[k]);  // it alerts [object FileList] 
        var file = this.all[k];
        this._uploader(file,0);
    }
}

Answer 1

if(this.all.length > 0){
    for(var k=0, len = this.all.length; k < len; k++){               
        console.dir(this.all[k]);  // will iterate over the properties of each  [object FileList] in the console
        var file = this.all[k];
        this._uploader(file,0);
    }
}