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📜  检查是否加载了 jquery - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:52.138000             🧑  作者: Mango

代码示例6
jQuery offers several ways to attach a function that will run when the DOM is ready. All of the following syntaxes are equivalent:

$( handler )
$( document ).ready( handler )
$( "document" ).ready( handler )
$( "img" ).ready( handler )
$().ready( handler )