jQuery gets the IFrame and its parent window object and uses

This time I will bring you jQuery to obtain and use IFrame and its parent window object. What are the precautions for jQuery to obtain and use IFrame and its parent window object. The following is a practical case, let's take a look.

In web development, iframes are often used. It is inevitable that you need to use elements in the iframe in the parent window, or use elements of the parent window in the iframeframe
Get the elements in the iframe in the parent window

格式：$("#iframe的ID").contents().find("#iframe中的
控件
ID").click(); 
实例：$("#ifm").contents().find("#btnOk").click();

Get the elements in the parent window in the iframe

格式：$('#父窗口中的元素ID', parent.
document
).click(); 
实例：$('#btnOk', parent.document).click();

I believe you have mastered the method after reading the case in this article, and more How exciting, please pay attention to other related articles on php Chinese website!

Recommended reading:

How jquery makes iframe adaptive to the front-end height

jQuery cross-domain operation DOM method in iframe

JSONP solves ajax cross-domain problem (with code)

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