JavaScript memory


Does a big amount of allocated memory(by JavaScript object for example) in the browser affect the performance of a single page web application?

Yes, of course. But how big it is, is relative. If the machine has plenty of memory then it shouldn’t be an issue.

For example - if I’m using a web application on a low-tier smartphone, 150mb of allocated memory could down things down a bit?

Yes, absolutely. Low performance and slow internet speeds (similar to dialup) are still very real concerns for developers working on applications targeted at users in developing countries.

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