Js get random color value

[Javascript]
/*
* Obtain random color values
* @ Param min, minimum value, value range: 0-255
* @ Param max; maximum value; value range: 0-255
*/
Function getColor (min, max ){
Var co = "";
Co + = (getRandom (min, max) + ",");
Co + = (getRandom (min, max) + ",");
Co + = getRandom (min, max );
Return RGB2Hex (co );
}
 
/*
* Obtain random numbers within a specified range
* @ Param min, minimum value
* @ Param max, maximum value
*/
 
Function getRandom (min, max ){
// Upper limit of x and lower limit of y
Var x = max;
Var y = min;
If (x <y ){
X = min;
Y = max;
}
Var rand = parseInt (Math. random () * (x-y + 1) + y );
Return rand;
}
 
/*
* Obtain the color value.
* @ Param rgb, RGB color value, for example, "23,189,246"
*/
Function RGB2Hex (rgb ){
Var re = rgb. replace (/(? : \ (| \) | Rgb | RGB) */g, ""). split (","); // remove unnecessary parts using regular expressions
Var hexColor = "#";
Var hex = ['0', '1', '2', '3', '4', '5', '6', '7', '8 ', '9', 'A', 'B', 'C', 'D', 'E', 'F'];
For (var I = 0; I <3; I ++ ){
Var r = null;
Var c = re [I];
Var hexAr = [];
While (c> 16 ){
R = c % 16;
C = (c/16)> 0;
HexAr. push (hex [r]);
}
HexAr. push (hex [c]);
HexColor + = hexAr. reverse (). join ('');
}
Return hexColor;