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I need to add any number to random array to the preset position and and move elements after him. I just wrote code for random array how to continue?

var CreateArray = (...lengths) => lengths.map(length => (
  Array.from({
    length
  }, () => Math.floor(Math.random() * 3000000))
));
var randomarrays = (arrs) => {
  arrs.forEach(arr => {
    randomarray(arr);

  });
};
Improve this question
4
  • Use splice developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… Commented Jun 21, 2018 at 16:26
  • can you explain more? i know about splice, but how to use it with that code that generate random array? Commented Jun 21, 2018 at 16:28
  • So you are asking how to insert a value into an array at a given index? If yes, dupe of stackoverflow.com/questions/586182/… Commented Jun 21, 2018 at 16:32
  • do you know any other method without "splice"? Commented Jun 21, 2018 at 16:33
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