JavaScript
The JavaScript language Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP. We concentrate on the language itself here, with the minimum of environment-specific notes
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JavaScript syntax
JavaScript syntax // How to create variables: var x; let y; // How to use variables: x = 5 ; y = 6 ; let z = x + y; The two most important syntax rules for fixed values are: 1. Numbers are written with or without decimals: 10.50 1001 2. Strings are text, written within double or single quotes: example: "John Doe" 'John Doe' JavaScript Variables In a programming language, variables are used to store data values. JavaScript uses the keywords var , let and const to declare variables. An equal sign is used to assign values to variables. In this example, x is defined as a variable. Then, x is assigned (given) the value 6: example : let x; x = 6 ; JavaScript Operators JavaScript uses arithmetic operators ( + - * / ) to compute values: example : JavaScript uses an assignment operator ( = ) to assign values to variables: example : let x, y;...
C program to print Pascal triangle
C program to print Pascal triangle 1 1 1 1 2 1 1 3 3 1 #include <stdio.h> long factorial ( int ) ; int main ( ) { int i , n , c ; printf ( "Enter the number of rows you wish to see in pascal triangle \n " ) ; scanf ( "%d" ,& n ) ; for ( i = 0 ; i < n ; i ++ ) { for ( c = 0 ; c <= ( n - i - 2 ) ; c ++ ) printf ( " " ) ; for ( c = 0 ; c <= i ; c ++ ) printf ( "%ld " , factorial ( i ) / ( factorial ( c ) * factorial ( i - c ) ) ) ; printf ( " \n " ) ; } return 0 ; } long factorial ( int n ) { int c ; long result = 1 ; for ( c = 1 ; c <= n ; c ++ ) result = result * c ; return result ; }
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