"for"

For (begin; condition; step) {
  // ... loop body ...
}

Let's learn the meaning of these parts by example. The loop below runs alert(i) for i from 0 up to (but not including) 3.

Syntax

For (let i = 0; i < 3; i++) { // shows 0, then 1, then 2
  alert(i);
}

Related concepts

"for" — Structure map

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"for" — Related pages: