<script>
function myFunction()
{
document.getElementById("demo").innerHTML="My First JavaScript Function";
}
</script>document.getElementById("demo").innerHTML="My First JavaScript Function";//这段代码是什么意思javascript
function myFunction()
{
document.getElementById("demo").innerHTML="My First JavaScript Function";
}
</script>document.getElementById("demo").innerHTML="My First JavaScript Function";//这段代码是什么意思javascript
比如
<div id="demo">1234</div>
当你用JS执行了你那段代码之后
上面的就变成了
<div id="demo">My First JavaScript Function</div>
。