javascript - How to do something on each third for loop iteration -

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• javascript run function inside loop every x iterations 5 answers

how can alert on each third loop iteration alert ("some text") on each third iteration, how can make it?

for(var = 1; < 20; i++) {    alert("some text"); } 

use modulo operator (%):

for(var = 1; < 20; i++) {     if (i % 3 === 1) {         alert("some text");     } }