Next, we’ll create the resizableGrid which retrieves the very first row of the table and store all td elements to cols variable using row.children. Definition and Usage The resizeTo () method resizes a window to a new width and height. For example, to select a single table by id: var table = document.getElementById('tableId') You can change the code If you don’t want to select all tables. var tables = document.getElementsByTagName('table') The following code will select all tables and pass them to resizableGrid function. No spam, unsubscribe at any time.Size File 10Mb C:\Users\BrainBell\Desktop\empty\abc.txt JavaScript code to resize HTML table column On this site I try to write about interesting and weird projects, and my newsletter is no different! It includes early access to upcoming posts and access to special bonus content.
It’s easy to write performant JavaScript when you remove JavaScript and just use CSS! More blog posts Want to read more? If you don’t need to read element sizes in JavaScript, container queries are great. Thrashing inside a resize event listener can trigger this hundreds of times per second, which can cause the browser to slow down and even freeze. This is called layout thrashing, and it’s a common performance bottleneck. The browser has to account for the fact that styles have changed in some way since you last read the size of the element, so it has to recalculate the size of the element all over again next time you read it. 3,349 11 45 83 6 That article is about the Window's resize event, does it apply to elements like div And not part of spec doesn't tell me how much browser support it has or if it has a more-valid-on-spec solution or not.
If you then make changes to something on the screen, this invalidates the layout again and the browser can’t cache the size.
Reading the size of an element forces the browser to immediately and synchronously calculate its size, which forces the entire page to undergo layout and style calculations. What makes it worse is that you’re probably going to pair the resize event with some logic to read the size of an element on the screen, such as with element.clientWidth, element.getBoundingClientRect(), or getComputedStyle().
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