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POJavascript function call across HTML windows
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6810486
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2011-07-24T23:38:42.437
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2011-07-25T01:30:08.043
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2017-05-23T11:55:13.553
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Body
According to <a href="https://stackoverflow.com/questions/87359/can-i-pass-a-javascript-variable-to-another-browser-window">this</a> page I should be able to call parameters and functions of child windows, but it is not working for me. <pre><code>var w = window.open("index.html"); console.log(w); console.log(w.foo); </code></pre> <code>console.log(w)</code> shows that there is a function named <code>foo</code> but <code>console.log(w.foo)</code> outputs <code>undefined</code>. Is this a security issue? <hr> EDIT Here is some more functionality: child.html (omitting the body): <pre><code><head> <script type="text/javascript"> test = 123 ; function foo(arg){ //do something } </script> </head> </code></pre> parent.html: <pre><code>var w = window.open("child.html"); console.log(w); //outputs all the methods and parameters console.log(w.foo); //outputs 'undefined' console.log(w.test); //outputs 'undefined' </code></pre> <hr> EDIT 2 Also I should explain why I need to pass arguments as someone will inevitably ask me why I can't 'just hard code it'. I have an HTML canvas element, and every time the user right clicks, there is a right click menu with the option 'list shapes underneath'. When the user clicks this menu item, I want to pass a list of all the shapes underneath that click and to display it in a new window. Here are the problems I am facing: <ol> <li>I can't pass it as an argument b/c I don't know whether the window has been loaded (I can't seem to change the <code>onload</code> function either)</li> <li>I can't have the child window query the parent window b/c the right click menu disappears after clicking it.</li> </ol>
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<javascript><function><scope><window>
Title
Javascript function call across HTML windows
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