网页常用代码 比较基础的东西

2020-04-15 21:48:06易采站长站整理

 

◆给页面加保护
说 明如果你不想让辛辛苦苦做出来的东西被人轻易地Copy&Paste走的话,不妨在HTML里加入下面这段代码。当在网页里按下鼠标右键时,出现的不是想要的快捷菜单而是一个警告窗口。“nn”表示换行。
代 码<script language="JavaScript">
function helpor()
{
if (event.button==2)alert(‘ 仅供浏览!谢谢!nn若有问题请与我联系! ‘)
}
</script>

然后把<body> 改为 <body onmousedown="helpor_net()">

 

◆固定字号大小
说 明你是否有过这样的经历:一个布置得很好的网页,当浏览时把浏览器的字号设置成大或小时,漂亮的网页马上面目全非了。因为字的大小变了,版式自然乱了。现在好了,只要把下面这段代码加入到网页源文件的<head>与</head>之间就行了(对用<font>标签定义的文字无效)。
代 码<style type="text/css">
<!–
body {font-size:9pt}
td {font-size:9pt}
–>
</style>

 

◆状态栏里的动态欢迎语
说 明浏览器的状态栏里出现一个字接一个字往左跑的欢迎语!
代 码<script language="JavaScript">
<!–
function statusMessageObject(p,d) {
this.msg = MESSAGE
this.out = " "
this.pos = POSITION
this.delay = DELAY
this.i = 0
this.reset = clearMessage
}
function clearMessage() {
this.pos = POSITION
}
var POSITION = 100
var DELAY = 5
var MESSAGE = "欢迎光临! Welcome to WWW.jb51.net "
var scroll = new statusMessageObject()
function scroller() {
for (scroll.i = 0; scroll.i < scroll.pos; scroll.i++) {
scroll.out += " "
}
if (scroll.pos >= 0)
scroll.out += scroll.msg
else scroll.out = scroll.msg.substring(-scroll.pos,scroll.msg.length)
window.status = scroll.out
scroll.out = " "
scroll.pos–
if (scroll.pos < -(scroll.msg.length)) {
scroll.reset()
}
setTimeout (‘scroller()’,scroll.delay)
}
function snapIn(jumpSpaces,position) {
var msg = scroll.msg
var out = ""
for (var i=0; i<position; i++)
{out += msg.charAt(i)}
for (i=1;i<jumpSpaces;i++)
{out += " "}
out += msg.charAt(position)
window.status = out
if (jumpSpaces <= 1) {
position++
if (msg.charAt(position) == ‘ ‘)
{position++ }
jumpSpaces = 100-position
} else if (jumpSpaces > 3)
{jumpSpaces *= .75}
else
{jumpSpaces–}
if (position != msg.length) {
var cmd = "snapIn(" + jumpSpaces + "," + position + ")";
scrollID = window.setTimeout(cmd,scroll.delay);
} else {
window.status=""
jumpSpaces=0
position=0
cmd = "snapIn(" + jumpSpaces + "," + position + ")";
scrollID = window.setTimeout(cmd,scroll.delay);
return false
}
return true
}
snapIn(100,0);
// –>
</script>