The example in this article describes the online palette implemented by JS. Share it with everyone for your reference, the details are as follows:
The screenshot of the running effect is as follows:
The specific code is as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>ColorSchemer - Online Color Scheme Generator</title> <META NAME="keywords" CONTENT="web page design - color - scheme - color scheme - color schemer - colorschemer - rgb - hex - web color - html color - color pick - pick - picker"> <META NAME="description" CONTENT="Generate matching color schemes like never before!"> <link rel="STYLESHEET" type="text/css" href="default.css"> <script language="JavaScript" type="text/javascript" src="funcs.js"></script> </head> <body bgcolor="#FCFCF9" text="#000000" marginheight="0" marginwidth="0" leftmargin="0" topmargin="0" rightmargin="0" onLoad="ChangeColors(51,102,255);"> <div ID="ColorInput"> <div class="sideHead">Current Color</div> <div class="currentBorder"><div ID="currentColor"> </div></div> <form name="codes" id="codes"> <div class="currentBorder"> <div class="navBox"> <table align="center" cellspacing="0" cellpadding="0" border="0"> <tr> <td>R:</td> <td><input type="text" name="r" value="0" maxlength="3" class="rgbBox"></td> </tr> <tr> <td>G:</td> <td><input type="text" name="g" value="0" maxlength="3" class="rgbBox"></td> </tr> <tr> <td>B:</td> <td><input type="text" name="b" value="0" maxlength="3" class="rgbBox"></td> </tr> <tr> <td colspan="2"><input type="button" class="button" value="Set RGB" onClick="ChangeColors(document.getElementById('codes').r.value,document.getElementById('codes').g.value,document.getElementById('codes').b.value);"></td> </tr> <tr> <td colspan="2">#<input type="text" class="hexBox" name="hex" value="000000" maxlength="6"></td> </tr> <tr> <td colspan="2"><input type="button" class="button" value="Set HEX" onClick="SetHex(document.getElementById('codes').hex.value);"></td> </tr> </table> <input type="button" class="button" value="Lighten Scheme" onClick="LightenScheme();" style="margin-bottom: 0px;"> <input type="button" class="button" value="Darken Scheme" onClick="DarkenScheme();"> </div></div> </form> </div> <div ID="Wheel" align="center"> <div ID="swatch0" class="swatch"> <div class="border"><div ID="0" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="0RGB" class="rgb">255.255.255</div> <div ID="0HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch1" class="swatch"> <div class="border"><div ID="1" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="1RGB" class="rgb">255.255.255</div> <div ID="1HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch2" class="swatch"> <div class="border"><div ID="2" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="2RGB" class="rgb">255.255.255</div> <div ID="2HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch3" class="swatch"> <div class="border"><div ID="3" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="3RGB" class="rgb">255.255.255</div> <div ID="3HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch4" class="swatch"> <div class="border"><div ID="4" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="4RGB" class="rgb">255.255.255</div> <div ID="4HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch5" class="swatch"> <div class="border"><div ID="5" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="5RGB" class="rgb">255.255.255</div> <div ID="5HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch6" class="swatch"> <div class="border"><div ID="6" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="6RGB" class="rgb">255.255.255</div> <div ID="6HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch7" class="swatch"> <div class="border"><div ID="7" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="7RGB" class="rgb">255.255.255</div> <div ID="7HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch8" class="swatch"> <div class="border"><div ID="8" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="8RGB" class="rgb">255.255.255</div> <div ID="8HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch9" class="swatch"> <div class="border"><div ID="9" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="9RGB" class="rgb">255.255.255</div> <div ID="9HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch10" class="swatch"> <div class="border"><div ID="10" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="10RGB" class="rgb">255.255.255</div> <div ID="10HEX" class="hex">#FFFFFF</div> </div> <div ID="swatch11" class="swatch"> <div class="border"><div ID="11" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="11RGB" class="rgb">255.255.255</div> <div ID="11HEX" class="hex">#FFFFFF</div> </div> <div ID="swatchm1" class="swatch"> <div class="border"><div ID="m1" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="m1RGB" class="rgb">255.255.255</div> <div ID="m1HEX" class="hex">#FFFFFF</div> </div> <div ID="swatchm2" class="swatch"> <div class="border"><div ID="m2" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="m2RGB" class="rgb">255.255.255</div> <div ID="m2HEX" class="hex">#FFFFFF</div> </div> <div ID="swatchm3" class="swatch"> <div class="border"><div ID="m3" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="m3RGB" class="rgb">255.255.255</div> <div ID="m3HEX" class="hex">#FFFFFF</div> </div> <div ID="swatchm4" class="swatch"> <div class="border"><div ID="m4" class="color" onClick="SetHex(this.style.backgroundColor);"> </div></div> <div ID="m4RGB" class="rgb">255.255.255</div> <div ID="m4HEX" class="hex">#FFFFFF</div> </div> </div> <script language="JavaScript">DrawPalette();</script> </body> </html>
Click here for complete example codeDownload from this site.
Readers who are interested in more JavaScript-related content can check out the special topics on this site: "Summary of JavaScript search algorithm techniques", "Summary of JavaScript animation special effects and techniques", "Summary of JavaScript errors and debugging techniques", "Summary of JavaScript data structures and algorithm techniques", "Summary of JavaScript traversal algorithms and techniques" and "JavaScript Mathematics Summary of operation usage》
I hope this article will be helpful to everyone in JavaScript programming.