How to close iframe window in jquery

With the continuous development of Internet technology, the functions of websites are becoming more and more abundant, and there are more and more dynamic effects. Among them, pop-up windows are an effect often used on modern websites, which can provide users with a more convenient operating experience. In the process of realizing the pop-up effect, the iframe window is a very important technical means. However, how to close the iframe window is also a very important issue during the use of pop-up windows. This article will introduce how to use jQuery to close the iframe window.

1. What is an iframe window?

iframe window is an embedded frame in HTML and a very commonly used web development technology. It can embed another web page in a web page to achieve page nesting. Usually, iframe windows are used to embed the content of third-party websites, or to load a certain part of a web page separately to implement specific functions. For example, embed a map in a web page, or embed a video player in a page, etc.

2. How to close the iframe window?

Actually, it is very easy to close the iframe window in HTML. You only need to embed the close button in the iframe and call the method to close the iframe window in the click event of the button. However, when using the jQuery framework to close the iframe window, you need to consider the following aspects:

1. Obtain the iframe object

In the process of using jQuery to close the iframe window In, first you need to get the iframe object. It can be obtained through the following code:

var iframe = parent.document.getElementById("iframeId");//iframeId is the id of the iframe

2. Get the iframe parent object

Similarly, in the process of closing the iframe window, you need to obtain its parent object. It can be obtained through the following code:

var parentWindow = window.parent;

3. Close the iframe window

After obtaining the iframe object and parent object, the next step can be Use jQuery to close the iframe window. Specifically, you can call the following code in the click event of the close button:

$(iframe).remove();//Close the iframe window
$(parentWindow).find('#overlay ').fadeOut();//Close the mask layer

In the above code, the first statement is used to close the iframe window and remove the iframe element by calling jQuery's remove() method. The second statement is used to close the mask layer. It also uses jQuery's find() method to find the mask layer element and calls the fadeOut() method to close it.

3. Code Example

The following is a complete code example showing how to use jQuery to close the iframe window.

HTML code:

<div id="popup-wrapper">//弹窗页面
    <h2>弹窗标题</h2>
    <p>弹窗内容</p>
    <button id="closeBtn">关闭窗口</button>
</div>

JavaScript code:

$(function() {

$("#closeBtn").click(function(){
    var iframe = parent.document.getElementById("iframeId");//获取iframe对象
    var parentWindow = window.parent;//获取iframe父级对象
    $(iframe).remove();//关闭iframe窗口
    $(parentWindow).find('#overlay').fadeOut();//关闭遮罩层
});

});

The above is a simple example code for using jQuery to close the iframe window. Through the above code example, we can see that in the process of closing the iframe window , jQuery can help us implement this function quickly and easily.

Conclusion

With the continuous development of Internet technology, pop-up effects have become an essential technology in modern website development, and in pop-up effects, the use of iframe windows is also very common. A technical implementation method. Through the introduction of this article, we can see that in the process of using jQuery to close the iframe window, you only need to obtain the iframe object and the parent object, and call jQuery's remove() and fadeOut() methods to achieve this function. Due to space limitations, this article only introduces the basic code implementation method. In actual application, in-depth research and adjustments are required for specific situations.

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