js math fn limit code example
Example: javascript restrict number to range
// Restricts number from 20 to 1
// if number > 20 returns 20
// if number < 1 returns 1
// else returns number
var number = Math.min(Math.max(parseInt(number), 1), 20);// Restricts number from 20 to 1
// if number > 20 returns 20
// if number < 1 returns 1
// else returns number
var number = Math.min(Math.max(parseInt(number), 1), 20);