代码示例:(标识:jsck_state_return_2)
<!DOCTYPE html>
<html>
<body>

<p>本例调用一个执行计算的函数,并返回结果:</p>

<p id="demo"></p>

<script>
var x = myFunction(4, 3); 

function myFunction(a, b) {
  return a * b;   
}  
document.getElementById("demo").innerHTML = x;
</script>

</body>
</html>
运行结果: