js中用setTimeout寫定時炸彈

今天看 css探索之旅 的博客文章,有個用setTimeout寫定時炸彈的效果,自己也就照貓畫貓來寫一個。
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>
<style>
p{width:200px; height:50px; margin:30px auto 0; background:#ccc; text-align:center; font:14px/50px arial; cursor:pointer}
</style>

<script type="text/javascript" src="http://icon.zol-img.com.cn/js/jquery_1.4.2.js"></script>
</head>

<body>

<p id="zha">開始定時</p>

<p id="chai" style="display:none">拆除炸彈</p>

<script>
$("#zha").bind("click",function(){
  zha();
})
$("#chai").bind("click",function(){
  chai();
})
var time = 5;
var timer = 0;

function zha(){
  var text = "倒計時";
    text += time–;
    $("#zha").text(text);
    if(time >=0){
      timer = setTimeout(zha,1000);
        $("#zha").css("color","black");
        $("#chai").show();
    }else{
      $("#zha").text("爆炸");
        $("#zha").css("color","red");
        time = 5;
        $("#chai").fadeOut();
    }
}

function chai(){
  clearTimeout(timer);
    $("#zha").text("炸彈拆除成功,點擊繼續");
}
</script>

</body>
</html>

 摘自 jingangel
 

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