html image src调用javaScript变量 [英] html image src call javaScript variable

问题描述

这是我的代码:我想询问

this is my code: I want to ask

<script type="text/javascript">

var total = 4;

</script>

我该怎么做?

<img src="img/apple_" + total + ".png" id="imageBox"/>

我一直在尝试使用call函数和document.onload，但是它根本不起作用，有人可以救我吗?

I've been try to use call function and document.onload but it's not work at all, can somebody save me?

推荐答案

我想您只是想用javascript更新图片src.

I am supposing you just want to update the image src with javascript.

document.getElementById('imageBox').src = "img/apple_" + total + ".png";

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