JAVA-LED
减小字体
增大字体<script LANGUAGE="JavaScript">
<!--// Copyright 1996 - Tomer and Yehuda Shiran
// This example will appear in our forthcoming book on JavaScript.
// set messages
var messages = new Array()
messages[0] = "welcome to javahouse"
messages[1] = "javascript world!"
messages[2] = "the largest archive"
messages[3] = "on the net!"
messages[4] = "tons of great fun"
messages[5] = "thanks for visiting"
messages[6] = "enjoy the ride"
// set normal spacing between two characters (no whitespace inbetween)
var space = 1
// set height width of each character
var height = 5
var width = 3
// create object of all supported characters in font
var letters = new letterArray()
// initialize image variables
var on = new Image(5, 5)
var off = new Image(5, 5)
// set image URLs
on.src = "ledon.gif"
off.src = "ledoff.gif"
// get number of images already layed out in page
var imageNum = document.images.length
// set maximum message length in characters
var boardWidth = 0
for (var i = 0; i < messages.length; ++i) {
var lengthWithNoSpaces = messages[i].split(" ").join("").length
var numberOfSpaces = messages[i].length - lengthWithNoSpaces
var currentBoardWidth = lengthWithNoSpaces * (width + space) - space + numberOfSpaces * space * 2
if (boardWidth < currentBoardWidth)
boardWidth = currentBoardWidth
}
// sign is currently not running
var running = false
var timerID = null
function letterArray() {
this.a = new Array(height)
this.a[0] = " * "
this.a[1] = "* *"
this.a[2] = "***"
this.a[3] = "* *"
this.a[4] = "* *"
this.b = new Array(height)
this.b[0] = "** "
this.b[1] = "* *"
this.b[2] = "**"
this.b[3] = "* *"
this.b[4] = "**"
this.c = new Array(height)
this.c[0] = "***"
this.c[1] = "* "
this.c[2] = "* "
this.c[3] = "* "
this.c[4] = "***"
this.d = new Array(height)
this.d[0] = "** "
this.d[1] = "* *"
this.d[2] = "* *"
this.d[3] = "* *"
this.d[4] = "** "
this.e = new Array(height)
this.e[0] = "*** "
this.e[1] = "* "
this.e[2] = "***"
this.e[3] = "* "
this.e[4] = "***"
this.f = new Array(height)
this.f[0] = "***"
this.f[1] = "* "
this.f[2] = "***"
this.f[3] = "* "
this.f[4] = "* "
this.g = new Array(height)
this.g[0] = "***"
this.g[1] = "* "
this.g[2] = "***"
this.g[3] = "* *"
this.g[4] = "***"
this.h = new Array(height)
this.h[0] = "* *"
this.h[1] = "* *"
this.h[2] = "***"
this.h[3] = "* *"
this.h[4] = "* *"
this.i = new Array(height)
this.i[0] = "***"
this.i[1] = " * "
this.i[2] = " * "
this.i[3] = " * "
this.i[4] = "***"
this.j = new Array(height)
this.j[0] = " *"
this.j[1] = " *"
this.j[2] = " *"
this.j[3] = "* *"
this.j[4] = "***"
this.k = new Array(height)
this.k[0] = "* *"
this.k[1] = "* *"
this.k[2] = "**"
this.k[3] = "* *"
this.k[4] = "* *"
this.l = new Array(height)
this.l[0] = "* "
this.l[1] = "* "
this.l[2] = "* "
this.l[3] = "* "
this.l[4] = "***"
this.m = new Array(height)
this.m[0] = "* *"
this.m[1] = "***"
this.m[2] = "***"
this.m[3] = "* *"
this.m[4] = "* *"
this.n = new Array(height)
this.n[0] = "* *"
this.n[1] = "***"
this.n[2] = "***"
this.n[3] = "***"
this.n[4] = "* *"
this.o = new Array(height)
this.o[0] = "***"
this.o[1] = "* *"
this.o[2] = "* *"
this.o[3] = "* *"
this.o[4] = "***"
this.p = new Array(height)
this.p[0] = "** "
this.p[1] = "* *"
this.p[2] = "** "
this.p[3] = "* "
this.p[4] = "* "
this.q = new Array(height)
this.q[0] = "***"
this.q[1] = "* *"
this.q[2] = "* *"
this.q[3] = "***"
this.q[4] = "***"
this.r = new Array(height)
this.r[0] = "** "
this.r[1] = "* *"
this.r[2] = "** "
this.r[3] = "* *"
this.r[4] = "* *"
this.s = new Array(height)
this.s[0] = "***"
this.s[1] = "* "
this.s[2] = "***"
this.s[3] = " *"
this.s[4] = "***"
this.t = new Array(height)
this.t[0] = "***"
this.t[1] = " * "
this.t[2] = " * "
this.t[3] = " * "
this.t[4] = " * "
this.u = new Array(height)
this.u[0] = "* *"
this.u[1] = "* *"
this.u[2] = "* *"
this.u[3] = "* *"
this.u[4] = "***"
this.v = new Array(height)
this.v[0] = "* *"
this.v[1] = "* *"
this.v[2] = "* *"
this.v[3] = "* *"
this.v[4] = " * "
this.w = new Array(height)
this.w[0] = "* *"
this.w[1] = "* *"
this.w[2] = "***"
this.w[3] = "***"
this.w[4] = "***"
this.x = new Array(height)
this.x[0] = "* *"
this.x[1] = "* *"
this.x[2] = " * "
this.x[3] = "* *"
this.x[4] = "* *"
this.y = new Array(height)
this.y[0] = "* *"
this.y[1] = "* *"
this.y[2] = "***"
this.y[3] = " * "
this.y[4] = " * "
this.z = new Array(height)
this.z[0] = "***"
this.z[1] = " *"
this.z[2] = " *"
this.z[3] = "* "
this.z[4] = "***"
this['!'] = new Array(height)
this['!'][0] = " * "
this['!'][1] = " * "
this['!'][2] = " * "
this['!'][3] = " "
this['!'][4] = " * "
this[':'] = new Array(height)
this[':'][0] = " "
this[':'][1] = " * "
this[':'][2] = " "
this[':'][3] = " * "
this[':'][4] = " "
this['.'] = new Array(height)
this['.'][0] = " "
this['.'][1] = " "
this['.'][2] = " "
this['.'][3] = " "
this['.'][4] = " * "
this['='] = new Array(height)
this['='][0] = " "
this['='][1] = "***"
this['='][2] = " "
this['='][3] = "***"
this['='][4] = " "
this['='] = new Array(height)
this['='][0] = " "
this['='][1] = "***"
this['='][2] = " "
this['='][3] = "***"
this['='][4] = " "
this['+'] = new Array(height)
this['+'][0] = " "
this['+'][1] = " * "
this['+'][2] = "***"
this['+'][3] = " * "
this['+'][4] = " "
this['-'] = new Array(height)
this['-'][0] = " "
this['-'][1] = " "
this['-'][2] = "***"
this['-'][3] = " "
this['-'][4] = " "
this['/'] = new Array(height)
this['/'][0] = " *"
this['/'][1] = " *"
this['/'][2] = " * "
this['/'][3] = "* "
this['/'][4] = "* "
this['\\'] = new Array(height)
this['\\'][0] = "* "
this['\\'][1] = "* "
this['\\'][2] = " * "
this['\\'][3] = " *"
this['\\'][4] = " *"
this['\\'] = new Array(height)
this['\\'][0] = "* "
this['\\'][1] = "* "
this['\\'][2] = " * "
this['\\'][3] = " *"
this['\\'][4] = " *"
this['"'] = new Array(height)
this['"'][0] = "* *"
this['"'][1] = "* *"
this['"'][2] = "* *"
this['"'][3] = " "
this['"'][4] = " "
this["'"] = new Array(height)
this["'"][0] = " * "
this["'"][1] = " * "
this["'"][2] = " * "
this["'"][3] = " "
this["'"][4] = " "
this['('] = new Array(height)
this['('][0] = " *"
this['('][1] = " * "
this['('][2] = " * "
this['('][3] = " * "
this['('][4] = " *"
this[')'] = n
