for the following html
<div id="buttons">
<button order="1" onclick="showImg()">1</button>
<button order="2" onclick="showImg()">2</button>
<button order="3" onclick="showImg()">3</button>
<button order="4" onclick="showImg()">4</button>
<button order="5" onclick="showImg()">5</button>
</div>
how do I need js to get its order when a button is pressed?
const order = event.target.getAttribute('order')it is not recommended to write the event function on the html page. The js can be obtained as follows: first iterate through each button, and then use the getAttribute function to get the custom attribute value
<div id="buttons">
<button order="1" onclick="showImg()">1</button>
<button order="2" onclick="showImg(this)">2</button>
<button order="3" onclick="showImg(this)">3</button>
<button order="4" onclick="showImg(this)">4</button>
<button order="5" onclick="showImg(this)">5</button>
</div>
<script>
function showImg(e){
let order = e.target.order;
}
</script>
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