如何将一个javascript变量输出到html div中? [英] How to 'output' a javascript variable into an html div?
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问题描述
我知道它的简单,但我似乎无法得到我的头。
<!DOCTYPE html>
< html>
< head>
< script type =text / javascript>
var ball = 3 + 4;
< / script>
< / head>
< body>
< div>有7个输出在这里< / div>
< / body>
解决方案
在此工作代码
在脚本中写入脚本。
代码
<!DOCTYPE html>
< html>
< head>< / head>
< body>
< div>有7个输出在这里< / div>
< script type =text / javascript>
var ball = 3 + 4;
document.getElementsByTagName('div')[0] .innerHTML = ball;
< / script>
< / body>
< / html>
The question says it all. i have a javascript variable and i want the html div to output 7. I know its simple but i cant seem to get my head around this.
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
var ball = 3+4;
</script>
</head>
<body>
<div> Have 7 output here </div>
</body>
解决方案
working code here
write your script in body.
code
<!DOCTYPE html>
<html>
<head></head>
<body>
<div> Have 7 output here </div>
<script type="text/javascript">
var ball = 3+4;
document.getElementsByTagName('div')[0].innerHTML = ball;
</script>
</body>
</html>
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