​x
 
<!DOCTYPE html>
<html>
<body>
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<p>本例使用 HTML DOM 将 "onhashchange" 事件分配给 body 元素。</p>
​
<p>点击按钮将当前网址的锚部分改为 #part5</p>
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<button onclick="changePart()">试一试</button>
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<p id="demo"></p>
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<script>
// 使用 location.hash 属性更改锚点部分
function changePart() {
  location.hash = "part5";
  var x = location.hash;
  document.getElementById("demo").innerHTML = "The anchor part is now: " + x;
}
​
document.getElementsByTagName("BODY")[0].onhashchange = function() {myFunction()};
​
function myFunction() {
  alert("The anchor part has changed!");
}
</script>
​
</body>
</html>
​