‫چرا در جاوااسکریپت نیازی به استفاده از loopها ندارید!

let names = ["Jack", "Jecci", "Ram", "Tom"];
let upperCaseNames = [];
for(let i=0, totalNames = names.length; i< totalNames ; i= i +1) {
    upperCaseNames = names[i].toUpperCase();
}

let names = ["Jack", "Jecci", "Ram", "Tom"];
let upperCaseNames = names.map(name => name.toUpperCase());

function print(name) {
   console.log(name);
}
let names = ["Jack", "Jecci", "Ram", "Tom"];
for(let i=0, totalNames = names.length; i< totalNames ; i= i +1) {
    print(names[i])
}

function print(name) {
   console.log(name);
}
let names = ["Jack", "Jecci", "Ram", "Tom"];
names.forEach(name=> print(name));

//  اگر صرفا چاپ در کنسول مد نظر هست

let names = ["Jack", "Jecci", "Ram", "Tom"];
names.forEach(name=> console.log(name));

function isOdd(n) {
   return n %2;
}
let numbers = [1,2,3,4,5];
let odd = [];
for(let i=0, total = numbers.length; i< total ; i= i +1) {
   let number = numbers[i];
   if( isOdd(number) ) {
      odd.push(number);
   }
}

let numbers = [1,2,3,4,5, 6, 7]
let odd = numbers.filter(n => n%2);

let numbers = [1,2,3,4,5]
let result = 0;
for(let i=0, total = numbers.length; i< total ; i= i +1) {
   result = result + numbers[i];
}

let numbers = [1,2,3,4,5,6,7];
function sum(accumulator, currentValue){
   return accumulator + currentValue;
}
let initialVal = 0;
let result = numbers.reduce(sum, initialVal);

// یا بصورت زیر کد را خلاصه نمود

let numbers = [1,2,3,4,5,6,7, 10];
let result = numbers.reduce((acc, val)=> acc+val, 0);

let names = ["ram",, "rahul", "raj", "rahul"];
for(let i=0, totalNames = names.length; i< totalNames ; i= i +1) {
   if(names[i] === "rahul") {
     console.log(" found rahul");
     break; 
   }
}

let names = ["ram",, "rahul", "raj", "rahul"];
let isRahulPresent = names.some(name => name==="rahul");
if(isRahulPresent) {
  console.log("found rahul"); 
}

let numbers = [1,2,3,4,5, 0];
for(let i=0, total = numbers.length; i< total ; i= i +1) {
    if(numbers[i] <= 0) {
      console.log("0 present in array");
      break;
     }
}

let numbers = [1,2,3,4,5,0];
let isZeroFree = numbers.every(e => e > 0);
if(!isZeroFree) {
    console.log("0 present in array");
}

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