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How to transmit data between windows in a javascript Browser

Source: Internet
Author: User
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How to transmit data between windows in a javascript Browser
This article mainly introduces how to transmit data between windows in the javascript browser. The example analyzes the usage skills of passing parameters between the parent window and the Child window, which is very useful. For more information, see

 

 

This document describes how to transmit data between windows in a javascript browser. Share it with you for your reference. The specific analysis is as follows:

Abstract:

In project development, we often encounter pop-up windows. Some use div to simulate the pop-up window effect, some use iframe, and some use the open function provided by window to open a new window. Today we will share with you the last way to use the window. open () function to open a page for data interaction. First, let's take a look:

Principle:

The parent window transmits data to the Child Window through url parameters, and the Child Window transmits data to the parent window through the global function of the parent window.

Code:
Index.html is as follows:

 

The Code is as follows:

<! DOCTYPE html>
<Html lang = "en">
<Head>
<Meta charset = "UTF-8">
<Title> Document </title>
</Head>
<Body>
<Div id = "content"> </div>
<Button id = "test"> button </button>
<Script>
Var test = document. getElementById ('test ');
Test. onclick = function (){
Window. open ('./empty rows HTML? Param1 = name parameter m2 = password', '_ blank', 'width = 960, height = 650, menubar = no, toolbar = no, location = no, directories = no, status = no, scrollbars = yes, resizable = yes ');
};
Window. getContent = function (tx ){
Document. getElementById ('content'). innerText = tx;
}
</Script>
</Body>
</Html>

 

Window.html is as follows:

 

The Code is as follows:

<! DOCTYPE html>
<Html lang = "en">
<Head>
<Meta charset = "UTF-8">
<Title> Document </title>
</Head>
<Body>
<Div id = "content"> </div>
<Select name = "" id = "city">
<Option value = "shanghai"> shanghai </option>
<Option value = "hangzhou"> hangzhou </option>
</Select>
<Script>
Var params = location. href. substring (location. href. lastIndexOf ('? ') + 1). split ('&');
Document. getElementById ('content'). innerText = params;
Var city = document. getElementById ('city ');
City. onchange = function (){
Window. opener. getContent (city. value );
}
</Script>
</Body>
</Html>

 

Note: A service environment is required.

I hope this article will help you design javascript programs.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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