generate a uuid javascript code example
Example 1: uuid react
import React from 'react'
import uuid from 'react-uuid'
const array = ['one', 'two', 'three']
export const LineItem = item => <li key={uuid()}>{item}</li>
export const List = () => array.map(item => <LineItem item={item} />)
Example 2: javascript generate uuid
function uuid(){
var dt = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = (dt + Math.random()*16)%16 | 0;
dt = Math.floor(dt/16);
return (c=='x' ? r :(r&0x3|0x8)).toString(16);
});
return uuid;
}
Example 3: uuid react
npm i react-uuid
Example 4: uuid javascript
uuidv4() {
return 'xxxxxxxxxxxxxxxxxxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
var r = (Math.random() * 16) | 0,
v = c == 'x' ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
Example 5: Math.uuid.js
function uuidv4() {
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
);
}
console.log(uuidv4());