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Copy pathpractice advance array and much more.js
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practice advance array and much more.js
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const name="Abdul Ahad";
const age= 19;
const uni="Stanford University";
const info = `This is ${name} age ${age} currently studying in ${uni}`;
const obj = {
name: "Ahad",
age: 19,
degree: "Engineering",
batch: 2017
}
const name = obj.name;
const age = obj.age;
const {degree, batch} = obj;
const a = 'hello';
const b = true;
const c = 19;
const obj2 = {
a:a,
b:b,
c:c
}
const first = ()=> {
const greet = 'Hello';
const second = ()=> {
alert(greet);
}
return second;
}
// Currying
const multiply = (a,b) => {return a*b };
const curriedMultiply = (a) => (b) => { return a*b;}
var a = [1,2,3,4,5];
const multiplyBy2 = (item) => { return console.log(item*2)} ;
a.forEach(multiplyBy2);
a.forEach(function(item) {
console.log(item*2);
})
var details= ['Ahad','Zubair','Yasir','Shoaib'];
details.forEach(function(item) {
console.log(item + 'exists!')
})
var details= ['Ahad','Zubair','Yasir','Shoaib'];
for(i=0;i>details.lenght;i++) {
console.log(details[i]);
}
const array = [1,2,3,4,5];
const doubleArray = array.forEach((item) => {
console.log(item * 2);
})
//Referencing function
const fun = (a,b) => a*b;
// map
const doubleArrayMap = array.map((item) => {
return item *2
})
// Cleaner map
const doubleArrayMapClean = array.map(item=> item * 2);
// filter
const filterArray = array.filter(item=> item > 2 );
// const filterArray = array.filter((item) => {
// return item > 2
//})
// reduce
const reduceArray = array.reduce((accumulator, item) => {
return accumulator + item ;
}, 0);
//--------------Class -------------------------------
class Player {
constructor(name,type) {
this.name = name;
this.type = type;
}
introduce() {
console.log(`Hi my name is ${this.name} and my type is ${this.type}`)
}
}
class Wizard extends Player {
constructor(name,type) {
super(name,type)
}
play(){
console.log(`I've very good power that is ${this.type}`)
}
}
wizard1 = new Wizard('Ahad','Omnitrix');
const sports = ['cricket','football','basketball','hockey','volleyball'];
sports.includes('cricket')
let obj = {
username: 'abdulahad',
password: 'secret',
email: '[email protected]'
}
Object.values(obj).forEach(value=> console.log(value);)
console.log('1');
setTimeout(() => {
console.log('2');
},2000)
console.log('3')
console.log('3')
console.log('3')
console.log('3')
console.log('3')
console.log('3')
console.log('3')
const array2 = [1,2,3,4,5];
const double = array.map((item)=> {
return item
})
const newFunc = ((acc,item) => {
return acc + item;
})
const sum = array2.reduce(newFunc,20)
const myFunc = ()=> {
return array2
}