What Do These 3 Dots Mean in JavaScript? (Most Devs Get It Wrong) #programming #technology #code

Think ... is just some fancy syntax in JavaScript?
Think again. The spread operator can copy arrays, clone objects, merge data — and fix bugs you didn’t even know you had.

In under 1 minute, I’ll show you:
🔹 Why arr2 = arr1 is dangerous
🔹 How to copy arrays & objects the right way
🔹 A bonus tip to merge arrays cleanly

Stop breaking your code with shared references — and start spreading the clean way.

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#javascript #webdevelopment #frontenddeveloper #javascripttricks #codingtips #programminglife #spreadoperator #jsforbeginners #learnjavascript #reactjs #nodejs #developerlife

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