图片库使用php css和javascript [英] Image Gallery Using php css and javascript
问题描述
我正在尝试创建一个简单的图库。我正在关注YouTube上的教程。我很确定我跟得很好。但是,我不确定为什么它不起作用。这似乎是JavaScript导致的问题,因为我总是保存并每次检查它。但是当我添加代码的时候,当你点击一个缩略图图像时,它会用大图切换图像。这里是我的代码
I am trying to create a simple image gallery. I was following a tutorial on youtube. I am pretty sure i followed it well. However, I wasn't sure why it won't work. It seems that the javascript was causing the problem because i always save and check it every time. But when I added the code where when you click on a thumbnail image, it will switch images with the big Image. here are my codes
PHP
PHP
<div id="gHolder">
<div id="theBigImageHolder">
<img src="http://2.media.dorkly.cvcdn.com/24/85/a2d9c425cf32934dbe8648be5a453042.jpg"
id="BigImage">
</div>
<div id="thumbnailsHolder">
<img src="http://2.media.dorkly.cvcdn.com/24/85/a2d9c425cf32934dbe8648be5a453042.jpg">
<img src="https://i.kinja-img.com/gawker-media/image/upload/s--aTCcDbn_--/c_fill,fl_progressive,g_center,h_900,q_80,w_1600/1503194806639950221.png">
<img src="https://i.imgur.com/i7VBIz3.jpg">
<img src="https://i.ytimg.com/vi/FaFrYdoD6XY/maxresdefault.jpg">
<img src="http://assets1.ignimgs.com/2017/06/07/13313349-10154255755436457-483416867-o-1496868408304_1280w.jpg">
</div>
</div>
CSS
CSS
#gHolder{
width: 600px;
height: 500px;
margin: 0 auto;
background-color: silver;
padding: 10px;
}
#theBigImageHolder{
width: 600px;
height: 400px;
background-color: white;
}
#thumbnailsHolder{
width: 590px;
height: 90px;
background-color: white;
margin: 2px auto;
padding: 5px;
}
#theBigImageHolder > img{
width: 600px;
height: 400px;
}
#thumbnailsHolder > img{
width: 90px;
height: 90px;
display: block;
float: left;
margin: 2px;
transition: border-radius 0.3s linear 0s;
}
#thumbnailsHolder > img:hover{
border-radius: 100px;
cursor: pointer;
}
Javascript $ b
Javascript
function imgFunc(){
var bigImage = document.getElementById("bigImage");
var thumbnailsHolder = document.getElementById("thumbnailsHolder");
thumbnailsHolder.addEventListener("click",function(event){
if (event.target.tagName == "IMG") {
bigImage.src = event.tagName.src;
}
}, false);
}
window.addEventListener("load",imgFunc,false);
你们知道javascript在哪里编码不正确吗?非常感谢
这里是预览。
https://codepen.io/UmaruHime/pen/JryvyP
Do you guys know where in javascript i coded incorrectly? Big Thanks here is a preview. https://codepen.io/UmaruHime/pen/JryvyP
推荐答案
ID错误,应该是
Error in Id , it should be
document.getElementById("BigImage");
第二个错误
And second error
if (event.target.tagName == "IMG") {
bigImage.src = event.target.src; //instead of bigImage.src = event.tagName.src;
}
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