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• helei

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<script type="text/javascript">// <![CDATA[
//全选
function allclick() {
var obj = document.getElementById('tb').children;
for(var i=0;i<obj.length;i++){
console.log(obj[i].firstElementChild.firstElementChild);
obj[i].firstElementChild.firstElementChild.checked=true;
}
}
//反选
function resetclick() {
var obj = document.getElementById('tb').children;
for(var i=0;i<obj.length;i++){
if(obj[i].firstElementChild.firstElementChild.checked==true){
obj[i].firstElementChild.firstElementChild.checked=false;
}else {
obj[i].firstElementChild.firstElementChild.checked=true;
}
}
}
//取消
function removeclick() {
var obj = document.getElementById('tb').children;
for(var i=0;i<obj.length;i++){
obj[i].firstElementChild.firstElementChild.checked=false;
}
}
//添加标签
function addmsg() {
var msg=document.getElementById('d2').firstElementChild.nextElementSibling.value;
if(msg.trim()!=''){
var obj = document.createElement('li');
obj.innerText=msg;
document.getElementById('u1').appendChild(obj);
document.getElementById('d2').firstElementChild.nextElementSibling.value='';
}
}
//欢迎李磊今天来上课
function welcome() {
var text_1 = document.getElementById('d3').lastElementChild.innerText;
var text_2 = text_1.substring(1,text_1.length+1).concat(text_1[0]);
document.getElementById('d3').lastElementChild.innerText = text_2;
console.log(text_2);
}
setInterval(welcome,1000);
//删除
function deleter() {
document.getElementById('d4').lastElementChild.innerText='已删除';
setTimeout(function () {
document.getElementById('d4').lastElementChild.innerText='';
},5000)
}
//显示时间
function times() {
data = new Date();
var year = data.getYear();
var moth = data.getMonth();
var day = data.getDate();
var hours = data.getHours();
var minu = data.getMinutes();
var sen = data.getSeconds();
var times = year+'-'+moth+'-'+day+' '+hours+':'+minu+':'+sen;
document.getElementById('d5').lastElementChild.innerText=times;
}
setInterval(times,1000);
// ]]></script>

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