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<body> <span>JS是弱类型语言还是强类型语言？</span> <input id="st" type="text" daan="弱类型"/> <input type="button" onclick="jc()" value="检查"/><br /> <input type="button" id="ty" value="同意(9)" disabled="disabled" /> </body> <script type="text/javascript"> function jc() { var d = document.getElementById("st"); var b =d.getAttribute("daan"); var a = d.value; if(b==a) { alert("恭喜你，答对了！"); } else { alert("笨蛋，答错了！"); } } var n =9; function daosjis() { n--; var b = document.getElementById("ty"); if(n==0) { b.value="同意"; b.removeAttribute("disabled"); } else { b.value="同意("+n+")"; window.setTimeout("daosjis()",1000); } } window.setTimeout("daosjis()",1000); </script>
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原文地址：http://www.cnblogs.com/jia520110270/p/4772207.html
