type objectTest = { name: string, phone: number } const testArr: objectTest[] = [{name:"jono", phone:08177777},{name:"joni", phone:081888888},{name:"jona", phone:081999999},{name:"jonu", phone:081666666}]; function paginateArr<T>(arr:T[], skip:number, limit:number):T[]{ return arr.slice(skip, limit+skip); } console.log('Real Arr =>', testArr); console.log(paginateArr(testArr,2,2));