如何在HTML中打印一个特定的Javascript变量？ [英] How to print one specific Javascript variable in HTML?

问题描述

我想问我如何在HTML表单中打印Javascript变量（例如，在屏幕上输出它）？

这是我的JS代码：

 < script type =text / javascript> 
 var howLongIsThis = myPlayer.duration（）; 
< / script> 
  

var howLongIsThis = myPlayer.duration（）; 是jquery变量！

那么我怎样才能在HTML页面中显示这个值？

解决方案

pre $ var howLongIsThis = myPlayer.duration

（）;
var displayEl = document.getElementById（duration）;
displayEl.innerHTML = howLongIsThis;


或者如果您想在表单字段中输入：

  displayEl.value = howLongIsThis; 
  

I want to ask how I can print a Javascript variable in HTML form (e.g. output it on the screen)?

Here is my JS code:

<script type="text/javascript">
var howLongIsThis = myPlayer.duration();
</script>

This var howLongIsThis = myPlayer.duration(); is Jquery variable!

So how i can show this value in HTML page?

解决方案

Set it to be the innerHTML or value of a html element:

var howLongIsThis = myPlayer.duration();
var displayEl = document.getElementById("duration");
displayEl.innerHTML = howLongIsThis;

or if you want in in a form field:

displayEl.value = howLongIsThis;

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