<!DOCTYPE html>
<html>
<head>
<script src='https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js'></script>
</head>
<body>
<div id="myDiv" style="display:none;">
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</div>
<button >点击加载内容</button>
<script>
function showDiv() {
var div = document.getElementById("myDiv");
div.style.display = "block";
}
</script>
</body>
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