調色板二

演

示

源
代
碼

調色板二

註釋：放在<body>與</body>之間

// Copyright (c) 1996-1997 Tomer Shiran. All rights reserved.
// Permission given to use the script provided that this notice remains as is.
// Additional scripts can be found at http://www.oocities.org/~yehuda/

// create 6-element array
var hex = new Array(6)

// assign non-dithered descriptors
hex[0] = "FF"
hex[1] = "CC"
hex[2] = "99"
hex[3] = "66"
hex[4] = "33"
hex[5] = "00"

// accept triplet string and display as background color
function display(triplet) {
	// set color as background color
	document.bgColor = '#' + triplet

// display the color hexadecimal triplet
	alert('現在的背景色是 #'+triplet)
}

// draw a single table cell based on all descriptors
function drawCell(red, green, blue) {
	// open cell with specified hexadecimal triplet background color
	document.write('<TD BGCOLOR="#' + red + green + blue + '">')

// open a hypertext link with javascript: scheme to call display function
	document.write('<A HREF="javascript:display(\'' + (red + green + blue) + '\')">')

// print transparent image (use any height and width)
	document.write('<IMG SRC="place.gif" BORDER=0 HEIGHT=12 WIDTH=12>')

// close link tag
	document.write('</A>')

// close table cell
	document.write('</TD>')
}

// draw table row based on red and blue descriptors
function drawRow(red, blue) {
	// open table row
	document.write('<TR>')

// loop through all non-dithered color descripters as green hex
	for (var i = 0; i < 6; ++i) {
		drawCell(red, hex[i], blue)
	}

// close current table row
	document.write('</TR>')
}

// draw table for one of six color cube panels
function drawTable(blue) {
	// open table (one of six cube panels)
	document.write('<TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0>')

// loop through all non-dithered color descripters as red hex
	for (var i = 0; i < 6; ++i) {
		drawRow(hex[i], blue)
	}

// close current table
	document.write('</TABLE>')	
}

// draw all cube panels inside table cells
function drawCube() {
	// open table
	document.write('<TABLE CELLPADDING=5 CELLSPACING=0 BORDER=1><TR>')

// loop through all non-dithered color descripters as blue hex
	for (var i = 0; i < 6; ++i) {
		// open table cell with white background color
		document.write('<TD BGCOLOR="#FFFFFF">')

// call function to create cube panel with hex[i] blue hex
		drawTable(hex[i])

// close current table cell
		document.write('</TD>')
	}

// close table row and table
	document.write('</TR></TABLE>')
}

// call function to begin execution
drawCube()

// -->
</script>

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