Method of outputting information in JavaScript of Information Confirmation Box Prompt Input Box Document Flow Output
- 2021-06-28 10:08:55
- OfStack
The method for outputting information in js is as follows:
1. Document Stream Output
document.write('hello');
2. Output Information Tip Box Modal Dialog
window.alert(' To output what is displayed '); or alert(' To output what is displayed ');
alert(n);
3. Information Confirmation Box
var f = window.confirm(' Do you want to enter Sina? '); confirm("");
if(f){
location.href = 'http://www.sina.com.cn';
}
4. Prompt Input Box
window.prompt
var n = window.prompt(' Please enter your age ',18);
if(n>=18){
document.write(' Welcome to your young people ');
}
5. Control labels and output them directly on the labels.
Object labels are found by document.getElementById ('id'), which allows you to directly control the values inside and output them
setInterval (function(){document.getElementById('ttt').innerHTML = "Current Time:"+new Date().toLocaleString();},1000);
<script>
document.getElementById('uname').value = " nameless ";
</script>
6. Output the information directly to the title
document.title = "hello";