javascript - How do I make an image act as a upload file button -

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i want make image act button when pressed allows me upload image.

what have right part in snippet want make pull image server act button , run ajax not have reload page display image chosen (the previous image should change 1 chosen).

.uploadbtn {    position: relative;    overflow: hidden;    padding: 10px 20px;    text-transform: uppercase;    color: #fff;    background: #000066;    -webkit-border-radius: 4px;    -moz-border-radius: 4px;    -ms-border-radius: 4px;    -o-border-radius: 4px;    border-radius: 4px;    width: 100px;    text-align: center;    cursor: pointer;  }  .uploadbtn .input-upload {    position: absolute;    top: 0;    right: 0;    margin: 0;    padding: 0;    opacity: 0;    height: 100%;    width: 100%;  }
<div class="uploadbtn">    <input type="file" class="input-upload" />    <span>image</span>  </div>

<input type="image" src="image.jpg" />

this standard way of using image in place of button in html form.


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