C and javascript comparison

✅ 1. Hello World

C	JavaScript
printf("Hello, World!");	console.log("Hello, World!");

---

✅ 2. Variables

C	JavaScript
int x = 5;	let x = 5; or const x = 5;
float y = 3.14;	let y = 3.14;
Must declare type	Dynamic typing (no type needed)

---

✅ 3. Input/Output

C	JavaScript (Node.js or browser)
scanf("%d", &x);	prompt("Enter a number:")
printf("%d", x);	console.log(x);

---

✅ 4. Functions

C	JavaScript
```c	```js
int add(int a, int b) {	function add(a, b) {
return a + b;	return a + b;
}	}
```	```

---

✅ 5. Conditionals

C	JavaScript
if (x > 0) { ... }	if (x > 0) { ... }
Same syntax	Same syntax

---

✅ 6. Loops

C	JavaScript
for (int i=0; i<5; i++)	for (let i=0; i<5; i++)
while (x < 10)	while (x < 10)
do { ... } while (x < 10);	do { ... } while (x < 10);

---

✅ 7. Arrays

C	JavaScript
int nums[3] = {1,2,3};	let nums = [1, 2, 3];
Fixed size	Dynamic size

---

✅ 8. Strings

C	JavaScript
char str[20] = "Hello";	let str = "Hello";
Manual memory handling	Strings are objects

---

✅ 9. Memory Management

C	JavaScript
Manual (malloc, free)	Automatic (Garbage Collected)

---

✅ 10. Comments

C	JavaScript
// single line	// single line
/* multi-line */	/* multi-line */

---

✅ Bonus: Print Sum Example

C	JavaScript
```c	```js
int a = 1, b = 2;	let a = 1, b = 2;
printf("%d", a + b);	console.log(a + b);
```	```

---

Let me know if you want a printable version or cheat sheet image! 📄✨