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Som Shekhar Mukherjee
Som Shekhar Mukherjee

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Few neat JS snippets

#javascript #webdev

Creating a 2D Array initialized with zeroes

const nrows = 5; const ncols = 5; const arr = Array.from({ length: nrows }, () => Array.from({ length: ncols }, () => 0) );
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Flattening a 2D array into a 1D array

const oneD = [].concat(...twoDArr);
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Array.from() can be really handy at times

const primes = [2, 3, 5, 7, 11]; const sqPrimes = Array.from(primes, (x) => x * x);
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