The conversion between hexadecimal and RGB color values and how to judge a prime and inline function and object-oriented
Today, I will talk to you about the conversion between hexadecimal and RGB color values and how to judge a prime number and inline function and object-oriented. Many people may not know much about it. In order to make you understand better, the editor has summarized the following contents. I hope you can get something from this article.
Conversion between hexadecimal and RGB color values
/ * *
* randomly generate colors
* @ return randomly generated hexadecimal colors
, /
Function randomColor () {
Var colorStr=Math.floor (Math.random () * 0xFFFFFF) .toString (16) .toUpperCase ()
Return "#" + "000000" .substring (0mai 6m color Str) + colorStr
}
/ * *
* convert hexadecimal colors to RGB colors
* @ param color the hexadecimal color to convert
* @ return RGB Color
, /
Function colorHexToRGB (color) {
Color=color.toUpperCase ()
Var regexpHex=/ ^ # [0-9a-fA-F] {3jie 6} $/; / Hex
If (regexpHex.test (color)) {
Var hexArray=new Array ()
Var count=1
For (var iharma i3muri) {
HexArray.push (Number ("0x" + color.substring (count,count+2)
Count+=2
} else {
HexArray.push (Number ("0x" + color.charAt (count) + color.charAt (count)
Count+=1
}
}
Return "RGB (" + hexArray.join (",") + ")"
} else {
Return color
}
}
/ * *
* convert RGB colors to hexadecimal colors
* @ param color the RGB color to convert
* @ return hex color
, /
Function colorRGBToHex (color) {
Var regexpRGB=/ ^ (rgb | RGB)\ ([0-9] {1pr 3},\ s? [0-9] {1jue 3},\ s? [0-9] {1pr 3}\) $/; / / RGB
If (regexpRGB.test (color)) {
Color=color.replace (/ (\ (|\) | rgb | RGB) * / g, ") .split (", ")
Var colorHex= "#"
For (var iTuno Bandi)
