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What is the (function() { } )() construct in JavaScript?
...n is executed right after it's created, not after it is parsed. The entire script block is parsed before any code in it is executed. Also, parsing code doesn't automatically mean that it's executed, if for example the IIFE is inside a function then it won't be executed until the function is called.
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Parse RSS with jQuery
...text(),
link: $this.find("link").text(),
description: $this.find("description").text(),
pubDate: $this.find("pubDate").text(),
author: $this.find("author").text()
}
//Do something with item here...
});
});
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Open popup and refresh parent page on close popup
I opened a popup window by window.open in JavaScript, i want to refresh parent page when I close this popup window.(onclose event?) how can I do that?
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Wait 5 seconds before executing next line
...t if I develop a chrome extension and the last evaluated value in injected script should give me the result; and I need some delays?
– mirek
May 30 '19 at 17:01
1
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How to find the size of localStorage
...ize of a localStorage instance. This question seems to indicate that JavaScript doesn't have a built in way of showing the size for a given variable. Does localStorage have a memory size property that I haven't seen? Is there an easy way to do this that I'm missing?
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How does this milw0rm heap spraying exploit work?
I usually do not have difficulty to read JavaScript code but for this one I can’t figure out the logic. The code is from an exploit that has been published 4 days ago. You can find it at milw0rm .
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Elements order in a “for (… in …)” loop
Does the "for…in" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
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jQuery - Trigger event when an element is removed from the DOM
..."Element was removed");
})
Important: This is functionality of Jquery UI script (not JQuery), so you have to load both scripts (jquery and jquery-ui) to make it work. Here is example: http://jsfiddle.net/72RTz/
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How to set the prototype of a JavaScript object that has already been instantiated?
Suppose I have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object?
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How to get a cross-origin resource sharing (CORS) post request working
...rt 8080) and displays our library. The second server is a CherryPy python script (port 8081) that I am using to trigger a file conversion on demand. The file conversion is triggered by a AJAX POST request from the page served from the XBMC server.
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