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概述
onloadend属性表示当代码被调用时优先级提高，资源的加载事件触发时调用处理函数。
语法
img.onloadend = funcRef;
值
funcRef is the handler function to be called when the resource's loadend event fires.
示例
HTML
<img src="myImage.jpg">
JavaScript
// 'loadstart' fires first, then 'load', then 'loadend'
image.addEventListener('load', function(e) {
console.log('Image loaded');
});
image.addEventListener('loadstart', function(e) {
console.log('Image load started');
});
image.addEventListener('loadend', function(e) {
console.log('Image load finished');
});
规范
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard onloadend |
Living Standard | Initial definition |
浏览器兼容性
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 未实现 | 未实现 | 52 (52)[1] | 未实现 | 未实现 | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 未实现 | 52.0 (52)[1] | 未实现 | 未实现 | ? | 未实现 |
[1] As of Firefox 52, The loadend event is now fired on <img> elements.