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JavaScript child windows methods for calling parent window variables and functions

Source: Internet
Author: User
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The purpose of local refresh is to make a parent window open a child window and invoke the parent window when the child window is Closed.

Parent Window:

1 <!DOCTYPE HTML Public "-//w3c//dtd XHTML 1.0 transitional//en"2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">3 <HTMLxmlns= "http://www.w3.org/1999/xhtml">4 <Head>5   <title>Parent</title>6   <Scripttype= "text/javascript">7     varParentpara='Parent';8     functionparentfunction () {9 Alert (parentpara);Ten     } one   </Script> a </Head> - <Body> -   <Buttononclick= "parentfunction ()">Show variable values</Button> the   <Buttononclick= "window.open (' child.html ')">Open a new window</Button> - </Body> - </HTML>

Child Window:

1 <!DOCTYPE HTML Public "-//w3c//dtd XHTML 1.0 transitional//en"2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">3 <HTMLxmlns= "http://www.w3.org/1999/xhtml">4 <Head>5   <title>Child</title>6   <Scripttype= "text/javascript">7     functionModify () {8 Opener.parentpara=' child';9     }Ten   </Script> one </Head> a <Body> -   <Buttononclick= "opener.parentfunction ()">Methods to invoke the parent page</Button> -   <Buttononclick= "modify ()">Change the value of a variable in the parent page</Button>  the </Body> - </HTML>

A child page is an IFRAME of the parent page

Parent Page:

1 <!DOCTYPE HTML Public "-//w3c//dtd XHTML 1.0 transitional//en"2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">3 <HTMLxmlns= "http://www.w3.org/1999/xhtml">4 <Head>5   <title>Parent</title>6   <Scripttype= "text/javascript">7     functionFill () {8       //Alert (frame1.window.childPara); Displays the value of the variable within the frame19       varStr=document.getElementById ('txt1'). value; //get the value entered in the text boxTen Frame1.window.div1.innerHTML=str;//fill in a div with the values in the sub-page one     } a   </Script> - </Head> - <Body> the   <Divstyle= "background-color:yellow;width:300px;height:300px;"> - Parent Page -     <iframeID= "frame1"src= "child.html"frameborder= "0"scrolling= "no"width= "120px"Height= "120px"></iframe> -     <BR/><BR/><BR/><BR/> +     <inputID= "txt1"type= "text"/> -     <Buttononclick= "fill ()">Populate a text box with values in a sub-interface</Button> +   </Div> a </Body> at </HTML>

Sub-page:

1 <!DOCTYPE HTML Public "-//w3c//dtd XHTML 1.0 transitional//en"2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">3 <HTMLxmlns= "http://www.w3.org/1999/xhtml">4 <Head>5   <title>Child</title>6   <Scripttype= "text/javascript">7     functionfun () {8 Parent.fill ();9     }Ten   </Script> one </Head> a <Body> -   <Divstyle= "background-color:lightblue;width:100px;height:100px;"> -     <b>Sub-page</b><BR/> the     <ahref="#"onclick= "fun ()">The half page button</a> -     <DivID= "div1"style= "color:red;"> -     </Div> -   </Div> + </Body> - </HTML>

When the parent page is refreshed, the IFRAME is refreshed with it, and the parent page is not refreshed when the IFRAME is Refreshed.

In addition, if one module in Angularjs calls the method of another module: the main idea is to get the angular and document of the other module, and then use the Angular.element (document.getelementbyid ("aaa" ));

where: var angular = Window.opener.angular;var Document = window.opener.document, Depending on the actual situation in the Acquisition.

JavaScript child windows methods for calling parent window variables and functions

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Related Keywords:
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