JavaScript
for(let i=1;i<=10;i++){
console.log(i);
}Page 26 of 30
For Loop Introduction
Repeating task concept: counting 1 to 10
1
Concept Meaning
A for loop repeats a block of code a fixed number of times.
2
Real-Life Analogy
Teacher asks a student to count 1 to 10 one by one.
3
Expected Output
1 2 3 4 5 6 7 8 9 10
4
Common Mistake
Forgetting to increase the loop value can cause an infinite loop.
Same Logic • Different Syntax
Code in 4 Languages
C++
for(int i=1;i<=10;i++){
cout<<i<<endl;
}Python
for i in range(1,11):
print(i)PHP
<?php
for($i=1;$i<=10;$i++){
echo $i."<br>";
}
?>Memory Tip
Start → Check → Print → Increase → Repeat.