@web3r/flowerkit
Version:
Tree-shakable JavaScript and TypeScript utility library for frontend/browser apps: DOM, events, arrays, objects, strings, date, JSON, and network helpers (ESM/CJS, SSR-friendly).
14 lines (13 loc) • 948 B
JavaScript
/**
* Gets a random integer between min and max (inclusive)
* @param {number} [min=1] Min value
* @param {number} [max=1000000000] Max value
* @returns {number} Random integer in [min, max]
* @throws {TypeError} getRandomIntFromInterval: min and max must be numbers
* @example
* // How to generate random number between two numbers?
* const randomNumber = getRandomIntFromInterval(1, 10);
* console.log(randomNumber >= 1 && randomNumber <= 10); // => true
*/
const getRandomIntFromInterval=(min=1,max=1_000_000_000)=>{if(typeof min!=="number"||typeof max!=="number"||Number.isNaN(min)||Number.isNaN(max))throw new TypeError("getRandomIntFromInterval: min and max must be numbers");min=Math.round(min);max=Math.round(max);if(max<min){const t=min;min=max;max=t}const span=max-min+1;if(!Number.isFinite(span)||span<=0)return min;return Math.floor(Math.random()*span+min)};export{getRandomIntFromInterval};
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