window对象:
window.confirm():确认框
window.alert():警告框
window.prompt():选择框
<script type="text/javascript">
window.alert('123');
var a = window.confirm('你确定要离开此页吗?');
console.log(a);
var b = window.prompt('今天早上吃了什么?','面包');
console.log(b);
window.setTimeout(function () {
console.log('aaa');
},2000)
console.log('bbb');
window.setInterval(function(){
console.log('lda')
},2000)
</script>
location对象:
location.hostname:当前URL的主机名
location.href :当前的 url
location.pathname :文件名称
location.port :端口号
location.protocol: 协议
location.search :查询字符串
<script type="text/javascript">
window.setTimeout(function () {
location.href = 'https://www.baidu.com/';//跳转另一个网址
location.reload();//自动刷新
},2000)
</script>
history对象:
history.go(x):x>0,向前刷新;x<0,向后刷新。
<script type="text/javascript">
window.setTimeout(function(){
history.go(1);
},2000)
</script>