<html>
<section>
<style>
img{
width: 150px;
height:150px;
float:left;
}
</style>
</section>
<script>
var img = undefined,
section = document.querySelector('section'),
images=[
"http://www.psdgraphics.com/file/red-number-0.jpg",
"http://www.psdgraphics.com/file/red-number-1.jpg",
"http://www.psdgraphics.com/file/red-number-2.jpg",
"http://www.psdgraphics.com/file/red-number-3.jpg",
"http://www.psdgraphics.com/file/red-number-4.jpg",
"http://www.psdgraphics.com/file/red-number-5.jpg",
"http://www.psdgraphics.com/file/red-number-6.jpg"
];
function loadImage( i ){
img = document.createElement('img');
section.appendChild(img);
img.dataset['index'] = i;
img.src=images[i];
}
for(var i=0;i<images.length;i++){
loadImage(i)
}
</script>
</html>
这是我的代码，目前我同时收到所有图像...... 我想仅在加载前一个图像后才加载每个图像..
任何帮助将不胜感激
最佳答案
只需将伪递归回调分配给 onload 处理程序:
function loadImage( i ){
if(i >= images.length) return;
var img = document.createElement('img');
section.appendChild(img);
img.dataset['index'] = i;
img.src=images[i];
img.onload = () => loadImage(i+1);
}
loadImage(0);
或者使用一些新的 ES 7 东西:
(async function(){
for(var i = 0; i < images.length; i++){
var img = document.createElement('img');
section.appendChild(img);
img.dataset['index'] = i;
img.src=images[i];
await new Promise(r => image.onload = r );
}
})()
关于javascript - 我想将图像加载到 "wave"..，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/45719640/