已采纳回答 / 不断滴自我催眠
新加入的行 也要调用ccolor方法才可以因为window.onload 只会执行一次，你新加入的tr不会再执行里面的方法 所以在新加入后 需要手动调用ccolor方法
2015-05-12
<script type="text/javascript">
var mystr="I love JavaScript!"
document.write(mystr.charAt(mystr.length-1) );
</script>
var mystr="I love JavaScript!"
document.write(mystr.charAt(mystr.length-1) );
</script>
2015-05-12
<script type="text/javascript">
var message="I love JavaScript!";
var mychar= message.toLowerCase();
document.write("字符串为："+mychar+"<br>");
</script>
var message="I love JavaScript!";
var mychar= message.toLowerCase();
document.write("字符串为："+mychar+"<br>");
</script>
2015-05-12
73:var myH= document.getElementById("myHead");
alert(myH.innerHTML);
78:var myS= document.getElementsByName("sex");
alert(myS.length);
84:var myI= document.getElementsByTagName("input");
alert(myI.length);
alert(myH.innerHTML);
78:var myS= document.getElementsByName("sex");
alert(myS.length);
84:var myI= document.getElementsByTagName("input");
alert(myI.length);
2015-05-12
document.write(mylist.parentNode.parentNode.parentNode.lastChild.firstChild.nodeValue);
2015-05-12
function myopen(){
alert('欢迎来到慕课网');
window.open('','','width=600,height=400')
}
alert('欢迎来到慕课网');
window.open('','','width=600,height=400')
}
2015-05-12
<script type="text/javascript">
var mydate=new Date();
var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
document.write("今天是：" +weekday[mydate.getDay()] );
</script>
var mydate=new Date();
var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
document.write("今天是：" +weekday[mydate.getDay()] );
</script>
2015-05-11
var numa=3; var numb=6;
jq= numa + 30 >10 && numb * 3<2;即 33>10 并且 18<2 ; 结果为 false
jq= numa + 30 >10 && numb * 3<2;即 33>10 并且 18<2 ; 结果为 false
2015-05-11
