Question

如何用JavaScript获取div内字数，并输入到html？

Answer 1

<div class='div1'>div1内容</div>
<div class='div2'>div2内容</div>
<script type="text/javascript">
const div1 = document.getElementByClassName('div1')[0].innerText
document.getElementByClassName('div2')[0].innerText = div1
</script>

可以尝试一下

Answer 2

<div id="num">1000</div>
<script type="text/javascript">
document.write(document.getElementById('num').innerText);
</script>

Answer 3

<div id="num">楼上是个沙雕</div>
<script type="text/javascript">
document.write(document.getElementById('num').innerText.length);

</script>

追问

怪我表述不清，请问获取div内字数，然后输入到另一个div内的话，应该怎么办？