Radom String in Javascript
Math.random().toString(36).substr(2, 5);Radom String in Javascript
Math.random().toString(36).substr(2, 5);Radom String in Javascript
function makeid(length) {
var result = '';
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var charactersLength = characters.length;
for ( var i = 0; i < length; i++ ) {
result += characters.charAt(Math.floor(Math.random() *
charactersLength));
}
return result;
}
console.log(makeid(5));
Run code snippetRadom String in Javascript
//Can change 7 to 2 for longer results.
let r = (Math.random() + 1).toString(36).substring(7);
console.log("random", r);
Run code snippetRadom String in Javascript
// dec2hex :: Integer -> String
// i.e. 0-255 -> '00'-'ff'
function dec2hex (dec) {
return dec.toString(16).padStart(2, "0")
}
// generateId :: Integer -> String
function generateId (len) {
var arr = new Uint8Array((len || 40) / 2)
window.crypto.getRandomValues(arr)
return Array.from(arr, dec2hex).join('')
}
console.log(generateId())
// "82defcf324571e70b0521d79cce2bf3fffccd69"
console.log(generateId(20))
// "c1a050a4cd1556948d41"
Run code snippetRadom String in Javascript
var uuid = require("uuid");
var id = uuid.v4();
// "110ec58a-a0f2-4ac4-8393-c866d813b8d1"Copyright © 2021 Codeinu
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