Programming-Idioms

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2020-08-11, 14:30:33

2020-09-02, 10:45:42

Idiom #7 Iterate over list indexes and values

Print each index i with its value x from an array-like collection items

Print each index i with its value x from an array-like collection items

i,x,items

i,x,items

traverse traversal

traverse traversal

items.forEach((val, idx) => {
  console.log("index=" + idx + ", value=" + val);
});

items.forEach((val, idx) => {
  console.log("index=" + idx + ", value=" + val);
});

This is the functional way of iterating.

This is the functional way of iterating.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach

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