This is JS syntax of the AS3 bound() function I use for my flash projects.
function bound(_number, _min, _max){
return Math.max(Math.min(_number, _max), _min);
}
The function takes 3 parametes:
_number is the number you want to restrict.
_min is the minimal value.
_max is the maximum value.
If the _number is less than _min, the function returns the _min value. If the _number is greater than _max, the function returns _max value. This is a way to ensure you number will be within this minimum and maximum bounds.
Example:
console.log(boundrary(10,5,15)); // returns 10 console.log(boundrary(2,5,15)); // returns 5 console.log(boundrary(100,5,15)); // returns 15
[highlight]Update: 14 aug 2013 [/highlight]
The snippet is can be found at javascriptcookbook website: http://www.javascriptcookbook.com/article/Restrict-a-number-to-a-range