- Tags: JS Window
- Categories: JavaScript Properties, JavaScript Reference, Reference
Quick Reference
The window.parent property returns the parent window of the current window.
<!-- html element to place output -->
<p id="my_output"></p>
The following script is placed on the child page and will write “Hello World” to the parent page.
Either of the following two methods will work.
// variable
let my_message = 'Hello World';
// output to HTML my_element
window.parent.document.getElementById('my_output').innerHTML = my_message;
// variable
let my_message = 'Hello World';
// output to HTML my_element
parent.document.getElementById('my_output').innerHTML = my_message;
Output
Hello World
Syntax
window.parent
// or
parent
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JAVASCRIPT NOTES:
- When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- JavaScript is a case-sensitive language; firstName is NOT the same as firstname
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
- JavaScript variables must begin with a letter, $, or _
- JavaScript variables are case sensitive (x is not the same as X)
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