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zhuangya/index.html

Created November 6, 2014 08:29
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index.html
<form class="cnt">
<form class="cnt">
<form class="cnt">
<input id="result" value="shit">
</form>
</form>
</form>
<script>
document.getElementById('result').value = document.querySelectorAll('.cnt').length;
</script>
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