DOM operation in JQuery - wrap

wrap: wrap, the usage is $(a).wrap((b)); Wrap a with b (each element will be wrapped)

For example: in body There are three p

	
p1
	
p2
	
p3

Now perform the wrapping operation on p:

$("p").wrap("
");

The corresponding output is

unwrap: Unwrap

For example, now unwrap the three p’s above:

$("p").unwrap();

wrapAll: All elements are wrapped (all elements will be wrapped together)

For example: perform wrapAll operation on the above three p

$("p").wrapAll("
");

The output is:

wrapInner: inner wrap

This is to rebuild a new element at the next level inside the element and put all the contents of the parent element Wrap; look directly at the example:

Now there is a p with content and elements inside;

p1 连接

We perform wrapInner operations on it:

$("p").wrapInner('
');

The output is:

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