React native PATH variable set up in Mac

Enter the given line to your Mac terminal   nano ~/.bash_profile   or   nano ~/.zshrc   Copy and past given line to your bash_profile file           export ANDROID_HOME=~/Library/Android/sdk/  export PATH=$PATH:~/android-sdks/platform-tools/  export PATH=$PATH:~/android-sdks/tools/  export PATH=$PATH:~/android-sdks/tools/adb cltr...

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The Rest/Spread Operator in JavaScript

One of the most interesting features added to ES2015 was the spread operator. This operator makes copying and merging arrays a lot simpler. Rather than calling the concat() or slice() method, you could use the ... operator: const arr1 = [10, 20, 30]; // make a copy of arr1 const copy = [...arr1]; console.log(copy); // → [10, 20, 30] const arr2 = [40, 50]; // merge...

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