jQuery.contains () method
Examples
A detection element contained within another element of:
$ (Function () {
function funcontain (html) {
document.body.innerHTML + = "<br>" + html;
}
funcontain ($ contains (document.documentElement, document.body).); // true
funcontain ($ contains (document.body, document.documentElement).); // false
})
function funcontain (html) {
document.body.innerHTML + = "<br>" + html;
}
funcontain ($ contains (document.documentElement, document.body).); // true
funcontain ($ contains (document.body, document.documentElement).); // false
})
try it"
Definition and Usage
$ .contains () Method is used to determine whether a given element contains another element. That is, whether another DOM element is specified DOM element offspring.
grammar
$.contains( container, contained )
参数 | 描述 |
---|---|
container | Element类型 指定可能包含其他元素的祖辈容器元素。 |
contained | Element类型 指定可能被其他元素包含的后代元素。 |