jQuery 不推荐使用 load() 方法？
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load() method deprecated?
提问by Johan
I was browsing through the jQuery api and noticed that the load methodis on the deprecated list.
我正在浏览 jQuery api 并注意到load 方法在弃用列表中。
Categories: Deprecated | Events > Document Loading
类别：已弃用 | 事件 > 文档加载
I usually use this method to check if images are completly loaded. Why is it deprecated? And what am I supposed to be using instead?
我通常使用这种方法来检查图像是否已完全加载。为什么它被弃用？我应该用什么代替？
回答by Frédéric Hamidi
See bug #11733, which documents this deprecation:
请参阅错误 #11733，其中记录了此弃用：
The
.load()method is an ambiguous signature, it can either be an ajax load or attach/fire a "load" event. CCAOcannot tell them apart since it's a dynamic decision based on arguments.
该
.load()方法是一个不明确的签名，它可以是 ajax 加载或附加/触发“加载”事件。CCAO无法区分它们，因为这是基于争论的动态决定。
To avoid ambiguities related to the method's signature, it is now recommended to use on()instead. For instance:
为避免与方法签名相关的歧义，现在建议改用on()。例如：
$("selector").load(function() {
// ...
});
Should become:
应该变成：
$("selector").on("load", function() {
// ...
});
回答by Mohsin Shoukat
load function deprcated in jQuery alternative of it is on which you can use like
jQuery 中已弃用的加载函数替代它，您可以在其上使用
$("iframe").on("load",function()
{
alert("on loaded iframe");
}); this work perfect for jquery-3.1.1.
这项工作非常适合 jquery-3.1.1。
回答by Paul Sweatte
If loaddoes not work as expected, an alternative is:
如果load没有按预期工作，另一种方法是：
$(window).one("scroll", foo);
Or
或者
$(window).one("scroll", function(){/*...*/});
Specifically, scroll event binding is useful in Android when DOMContentLoadeddoesn't work as expected, and IE8 and below when onreadystatechangedoes not work as expected.
具体来说，滚动事件绑定在 AndroidDOMContentLoaded中未按预期工作时很有用，而 IE8 及以下版本在onreadystatechange未按预期工作时很有用。
References
参考
