javascript案例 - W3xue在线HTML/CSS/JS运行工具

​x
 
<!DOCTYPE html>
<html>
<body>
​
<p>点击这个按钮，获得随机链接。</p>
​
<button onclick="myFunction()">点击这里</button>
​
<p id="demo"></p>
​
<script>
var rand = {};
rand.get = function (begin,end){
 return Math.floor(Math.random()*(end-begin))+begin;
}
​
var x = rand.get(1,3)
function myFunction()
{
if (x==1)
  {
  x="<a href='/' target='_blank'>W3xue.com</a>";
  }
else
  {
  x="<a href='http://www.microsoft.com' target='_blank'>microsoft</a>";
  }
document.getElementById("demo").innerHTML=x;
}
</script>
​
</body>
</html>