JS图片上传预览

HTML部分：

<img id="avatar" class="editable img-responsive" alt="头像" src="/static/avatar/user.png" style="width: 100px;height: 100px;" />
<input id="image" name="image" type="file" style="display: none">

JS部分：

<script>
$('#avatar').click(function(){
        $("#image").trigger('click');
    });
$('#image').on('change',function(){
       var imgdate = $(this).get(0);
       var showing = document.getElementById('avatar');
       if(imgdate.files && imgdate.files[0]){
           showing.src = window.URL.createObjectURL(imgdate.files[0]);
       }
});
</script>