javascript generate a random integer number in a range of numbers
const min = 1;
const max = 4;
const intNumber = Math.floor(Math.random() * (max - min)) + min;
console.log(intNumber); //> 1, 2, 3javascript generate a random integer number in a range of numbers
const min = 1;
const max = 4;
const intNumber = Math.floor(Math.random() * (max - min)) + min;
console.log(intNumber); //> 1, 2, 3random number in range js
var min = 10, max = 25;
//inclusive random (can output 25)
var random = Math.round(Math.random() * (max - min) + min);
//exclusive random (max number that can be output is 24, in this case)
var random = Math.floor(Math.random() * (max - min) + min);
//floor takes the number beneath the generated random and round takes
//which ever is the closest to the decimalGenerate a number range js
const range = (options) => {
const { from = 0, step = 1, to } = options;
if (!to) {
throw Error('"to" must be specified');
}
if (to <= from) {
throw Error(`"to (${to})" is lesser than or equal to "from (${from})"`);
}
return Array.from(
{ length: Math.ceil((to - from) / step) },
(_, i) => i * step + from
);
};
// Usage
const r1 = range({ to: 10 });
// [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
const r2 = range({ from: 10, to: 20 });
// [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
const r3 = range({ from: 10, to: 20, step: 3 });
// [10, 13, 16, 19]Copyright © 2021 Codeinu
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