Magic EdTech

 


// console.log(1)  //1

// let promise= new Promise((resolve,reject)=>{

//   console.log(2)

//   setTimeout(() => {

// console.log(12)

//     resolve('foo');

//   }, 10); 


// })

// console.log(3) //3 

// promise

// .then(data=>{

//         console.log(4,data)

// })

// .catch(data=>{

//         console.log(5,data)

// })

// console.log(7)

// setTimeout(()=>{

// console.log(6)

// },0)

// //macro --6, (foo12)


// //1

// //3

// //7

// //2--> 

// //6

// //12

// //4 ,foo

//Question: Given an array of integers, find two numbers such that they add up to a specific target value. Implement the function and optimize it for time complexity.


// nums = [ 7, 11, 15,5]

// target = 7


// //output: [0,1]



// let map =new Map();

// // { }


// for(let i=0;i<nums.length;i++){

//   let varFind = target-nums[i];

  

//   if(map.has(varFind)){


//     console.log([map.get(varFind),i])

//   }

//   else{

//     map.set(nums[i],i)

//   }


// }


// {}


const p=new Promise((resolve,rej)=>


rej('hello')

)


// p.then((data)=>console.log(data))

// .catch((err)=> console.log(err.message))



// async function call(){

//   try{

//       const myPromise= await p;

  

//   console.log(myPromise)

//   }

//   catch((err)=> )

  


  

// }




// call()


//proms




//css2 and css3

//erroboundary


//redux

async await

//getting so much data from the api

//pagination / infinite scroll

// search the data

//two sum

// inline vs block

// css box modal

//promises

//async await

//not defined undefined null

//csrf

//xss












Comments

Post a Comment

Popular posts from this blog

TO the new

 const arr= [1,2,3,2,3,4,5,6,6,1,3,2]; let output=arr.reduce((acc,curr)=>{   if(acc[curr]){     acc[curr]+=1;   }   else{     acc[curr]=1;   } return acc; },{}) console.log(output) // const arr =[1,2,3,4,5,6]; // const arrMap =(logic,arr)=>{ //   let output=[]; //   for(let i=0;i<=arr.length,i++){ //     let data= logic(arr[i]); //     output.push(data) //   } //   return output; // } // arrMap((element)=>{ //   element*2; // },arr) const  name='Ankit'.split(''); for(let i=name.length-1;i>=0;i--){   console.log(name[i]) }
Read more

4048

  $ npm i npm WARN cleanup Failed to remove some directories [ npm WARN cleanup   [ npm WARN cleanup     'C:\\Users\\atyagi581\\Desktop\\SelecfROMlIST\\celestial-ws\\node_modules\\react-scripts', npm WARN cleanup     [Error: EPERM: operation not permitted, rmdir 'C:\Users\atyagi581\Desktop\SelecfROMlIST\celestial-ws\node_ modules\react-scripts\node_modules'] { npm WARN cleanup       errno: -4048, npm WARN cleanup       code: 'EPERM', npm WARN cleanup       syscall: 'rmdir', npm WARN cleanup       path: 'C:\\Users\\atyagi581\\Desktop\\SelecfROMlIST\\celestial-ws\\node_modules\\react-scripts\\node_mod ules' npm WARN cleanup     } npm WARN cleanup   ], npm WARN cleanup   [ npm WARN cleanup     'C:\\Users\\atyagi581\\Desktop\\SelecfROMlIST\\celestial-ws\\node_...
Read more