<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> ul, #myUL { list-style-type: none; } #myUL { margin: 0; padding: 0; } .caret { cursor: pointer; -webkit-user-select: none; /* Safari…
<body> <script type="text/javascript"> class Student { constructor(_name, _sid, _js, _ai, _hp, _wp, _ec) { this.name=_name; this.sid=_sid; this.js=_js; this.ai=_ai; this.hp=_hp; this.wp=_wp; this.ec=_ec; } print(){ document.write(`${this.name} \t ${this.sid} \t ${this.js} \t ${this.ai}…
//Intl Numbers const num = 24153251.89; const options = { style: 'currency', //It can be unit, percent or currency unit: 'celsius', currency: 'EUR', //userGrouping: false, }; console.log('US:', new Intl.NumberFormat('en-US', options).format(num));…
JavaScript has a new internationalization API, this section only talk about Date & Number //Experimenting API const now = new Date(); const options = { hour: "numeric", minute: "numeric", day:…
const calcDaysPassed = (date1, date2) => Math.abs(date2 - date1) / (1000 * 60 * 60 * 24); const calc1 = calcDaysPassed(new Date(2021,10,11),new Date(2021,10,19)); console.log(calc1); => 7
1. const new = new Date(); console.log(now); => current time; 2. console.log(new Date('December 24, 2015')); => Thu Dec 24 2015 00:00:00 GMT+0000 3. console.log(new Date(2031,10,11,12,12,10)); 4. console.log(new Date(0)); => Thu…
console.log(Number.MAX_SAFE_INTEGER); => 9007199254740991 //When facing large numbers that are bigger than above number, Js runs into some problems. How to solve? Using BigInt console.log(BigInt(124623786189682165785218589)); => 124623786189682165785218589n //Or console.log(124623786189682165785218589n); => 124623786189682165785218589n…
console.log(Math.sqrt(25)); => 5 console.log(25 ** (1/2)); => 5 console.log(8 ** (1/3)); => 2 console.log(Math.max(5,18,23,11,2)); => 23 console.log(Math.min(5,18,23,11,2)); => 2 //Make a function that can generate random number between min &…
//Lectures How JS Represents Number console.log(23 === 23.000) => true console.log(0.1+0.2) => 0.3000000004 //Turn String into Number console.log(+'23'); => Just Add Plus Symbol //Parsing *take out the number from string…
<script> const checkDogs = function(arr1, arr2){ const arr1Shallow = arr1.slice(); arr1Shallow.splice(0,1); arr1Shallow.splice(-2); const dogs = arr1Shallow.concat(arr2); dogs.forEach(function(age, i){ const type = age >= 3 ? `Dog number ${i+1} is an…