Check out example codes for "for loop typescript". It will help you in understanding the concepts better.

Code Example 1

let someArray = [1, "string", false];

for (let entry of someArray) {
    console.log(entry); // 1, "string", false
}

var numbers = [1, 2, 3];
for (var _i = 0; _i < numbers.length; _i++) {
    var num = numbers[_i];
    console.log(num);
}

Code Example 2

for (let i = 0; i < 3; i++) {
  console.log ("Block statement execution no." + i);
}

Code Example 3

loopTimes: number[] = Array(31);

for (let x = 0; x < loopTimes.length; x++) {
    console.log('Index/Loop No: ', [x]);
    // Do something here...
}

Code Example 4

// foreach - values
for { let item of itemList} {
 
}

// foreach - keys
for { let key in itemList} {
 
}

// for
for {let i = 0; i < 10; _i++}{
  
}

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