1.function getuser() {
var username = document.getElementById("username").value;
var password = document.getElementById("password").value;
testing(username, password)
}
function testing(username, password) {
var tmp = username && password;
if (tmp == "") {
alert("请填写完整信息");
}else{
window.location.href = "comment.html";
alert("登录成功");
localStorage.setItem("username",username);
}
}
2.var username=document.getElementById("username");
var txt=document.getElementsByClassName("txt")[0];
var btn=document.getElementsByTagName("button")[0];
var pl=document.getElementsByClassName("pl")[0];
var len=document.getElementById("len");
if(localStorage.length>0){
username.value=localStorage.getItem("username");
}
txt.oninput=function(){
len.innerHTML=txt.value.length;
}
btn.onclick=function(){
if(username.value=='' || txt.value==''){
confirm("确定不提交内容吗?");
return false;
}else{
var div=document.createElement("div");
var span=document.createElement("span");
var small=document.createElement("small");
var a=document.createElement("a");
var p=document.createElement("p");
span.innerText=username.value;
small.innerText="\t"+new Date().toLocaleString();
a.innerText='删除';
a.style.float="right";
a.style.href="#";
p.innerText=txt.value;
div.appendChild(span);
div.appendChild(small);
div.appendChild(a);
div.appendChild(p);
pl.parentNode.appendChild(div)
}
a.onclick=function(){
a.parentNode.remove();
}
}