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<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
function getid(url) {
var vars = url ? url.split('?')[1] : "";
var urlParams = new URLSearchParams(vars);
return (urlParams.get('id'));
};
$('#tijiao').click(function () {
var id = getid($('input[name=url]').val());
$("#tbid").append(`
${id}<br />
<a href="https://detail.tmall.com/item.htm?id=${id}" target="_blank">https://detail.tmall.com/item.htm?id=${id}</a><br>
`);
});
});
</script>
<input type="text" name="url" style="width:300px;">
<button id="tijiao">提交</button>
<div id="tbid"></div>
</html>