Callbacks in JavaScript: Why They Exist
Callbacks in JavaScript: Why They Exist JavaScript treats functions like values. You can store them, pass them to another function, and call them la…
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Callbacks in JavaScript: Why They Exist JavaScript treats functions like values. You can store them, pass them to another function, and call them la…
Rule of thumb If your action waits on something external , make it async . If it’s instant CPU , keep it sync ; for expensive CPU , offload . The co…