Underscore.js is a library in javascript that makes operations on arrays, string, objects much easier and handy.
The _.random() function is used to return a random integer which is in the range provided to the function.
Note: It is very necessary to link the underscore CDN before going and using underscore functions in the browser. When linking the underscore.js CDN The “_” is attached to the browser as a global variable.
Syntax:
_.random(min, max);
Parameters: It takes the following parameters.
- min value: It is the minimum random value to be returned by the function.
- max value: It is the maximum random value that can be returned by the function.
Return Value: It returns a random integer between the min and max. If only one value is passed then it will return random value between 0 and passed value.
Example 1:
<!DOCTYPE html> <html> <head> <script src= </script> </head> <body> <script> let min = 5; let max = 10; // Printing 5 random values // in range 5 and 10 for (let i = 0; i < 5; i++) { console.log(_.random(min, max)); } </script> </body> </html> |
Output:
Example 2: If no parameter is given to the random function.
<!DOCTYPE html> <html> <head> <script src= </script> </head> <body> <script> // Without passing any // value to function console.log(_.random()) </script> </body> </html> |
Output:
Example 3: When only one parameter is given then random value is in range 0 to n, where n is the parameter given.
<!DOCTYPE html> <html> <head> <script src= </script> </head> <body> <script> console.log(_.random(10)) console.log(_.random(5)) console.log(_.random(8)) </script> </body> </html> |
Output:
