console
<input type="text" >
<input type="button" value="存储">
<input type="button" value="获取">
<input type="button" value="删除">
<input type="button" value="删除all">
<input type="text" >
<input type="checkbox" >记住用户名
<script>
window.onload = function(){
oinp = document.querySelectorAll('input');
oinp[1].addEventListener ('click', function(){
var val = oinp[0].value;
sessionStorage.setItem('name',val);
})
oinp[2].addEventListener ('click', function(){
console.log( sessionStorage.getItem('name'));
})
oinp[2].addEventListener ('click', function(){
sessionStorage.removeItem('name');
})
oinp[3].addEventListener ('click', function(){
sessionStorage.clear();
})
var val4 = oinp[4].value;
if(localStorage.getItem('uname')){
val4 = localStorage.getItem('uname');
}else {
localStorage.removeItem('username');
}
}
</script>