Here's our forth session in DEVOLOGY.

1. Presented By:
Assem Salem
Mahmoud Bahaa El-Din

3. Variables
var variable_name;
var variable_name = “value”;
variable_name=“value”;

4. Operators
+ - * / %
Adding Strings: Adding Values:
var moderator =“Bahaa”;
var Moderator= “Assem”;
var show_names= moderator + “ ” +
Moderator;
var x = 10;
var y = 1;
x++;
y--;
var z = x % y ;
document.write(z);

5. Comments
//any comment you want
/*
More than one line
*/

6. If..else
if (conditon){
Some code;
}else{
Some code
}
var x = 6;
var text;
if (x==5){
text = "x equals 5.";
}else{
text = "x does not equal 5.";
}
document.write(text);

7. LoopsWhile loop:
var i = 0 , x = 1 , sum= 0;
While(i<5){
x++;
sum+=x;
i++;
}
document.write(sum);

8. LoopsFor loop:
var x = 15;
var sum=0;
for (i=0;i<5;i++){
x++;
sum+=x;
}
document.write(sum);

9. Activity time

10. Let’s
CODE

11. Any Questions?

12. Thank you