Callback when DOM is loaded in react.js


Brianmearns

I want to call a callback on my react.js component when its DOM element (including all children) is actually loaded on the page and ready. Specifically, I have two components that I want to render the same size, choosing the maximum of either component with its natural size.

It doesn't look like componentDidMountwhat I really want, since each component is only called once, but I want my callback to be called again after the component has finished rendering. I thought it was possible to add events onLoadto top-level DOM elements, but I guess this only works for some elements like <body>and <img>.

Brianmearns

looks like a combination componentDidMountand componentDidUpdatewill do the job. The first call is made after the initial render when the DOM is available, and the second is called after any subsequent renders once the updated DOM is available. In my case, I have them both delegate a common function to do the same thing.

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