The other method is removeResizeListener, and it ensures that your listeners are properly detached when you want them removed. The first method the script provides is addResizeListener, it manages all your listeners and monitors the element for resize using the injected object element. To enable our resize listening magic, we inject an object element into the target element, set a list of special styles to hide it from view, and monitor it for resize – it acts as a trigger for alerting us when the target element parent is resized. The following is the script provides two methods that take care of everything. Before today, you probably thought this was mere unicorn lore, an impossible feat – well buckle up folks, we’re about to throw down the gauntlet. Element size changes can occur for many reasons: modifications to CSS width, height, padding, as a response to changes to a parent element’s size, and many more. DOM Elements! Y U No Resize Event?ĭuring your coding adventures, you may have run into occasions where you wanted to know when an element in your document changed dimensions – basically the window resize event, but on regular elements. It now relies on a much simpler method: a hidden object element that relays its resize event to your listeners. UPDATE: This post has seen a significant change from the first version of the code.
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