我目前正在使用我在网上找到的 Shooting Star 脚本来随机化网页上的 meteor 。每当 meteor 离开可见网页时，滚动条就会出现并暂时调整整个页面的大小。这种情况经常发生。有没有一种方法可以让 meteor 在到达网页边缘后自行删除，或者让网页不受 meteor 的影响？这是我从中获取脚本的网站:http://codepen.io/manufosela/pen/Gymih 这是代码:
<html>
<head>
<title>Shooting star Example</title>
<meta charset="utf-8">
<meta name="author" content="@manufosela">
</head>
<body class="stars">
<h1>SHOOTING STARS...</h1>
<div id="ShootingStarParams"></div>
<script type="text/javascript" src="http://codeorigin.jquery.com/jquery-1.10.2.min.js"></script>
<script type="text/javascript" src="ShootingStarClass.js"></script>
<script type="text/javascript">
$( document ).ready( function(){
var shootingStarObj = new ShootingStar( "body" );
shootingStarObj.launch();
});
</script>
</body>
</html>
body { color:#FFF; height:600px; width:99%; height:95%; color:#FFF; }
.stars {
z-index: 0; position: absolute; /* width: 420em; height: 70em; */
background-image: url( http://www.14denoviembre.es/img/hori.png ), url( http://www.14denoviembre.es/img/stars_5.png ); background-repeat: repeat-x,repeat-x repeat-y;
transform:translate3D(0em, 0em, 0); animation: stars 21s ease; transform-style: preserve-3d;
}
(function(){
/**
author: @manufosela
2013/08/27 copyleft 2013
ShootingStar class Main Methods:
launch: launch shooting stars every N seconds received by param. 10 seconds by default.
launchStar: launch a shooting star. Received options object by param with:
- dir (direction between 0 and 1)
- life (between 100 and 400)
- beamSize (between 400 and 700)
- velocity (between 2 and 10)
**/
ShootingStar = function( id ) {
this.n = 0;
this.m = 0;
this.defaultOptions = { velocity:8, starSize:10, life:300, beamSize:400, dir:-1 };
this.options = {};
id = ( typeof id != "undefined" )?id:"";
this.capa = ( $( id ).lenght > 0 )?"body":id;
this.wW = $( this.capa ).innerWidth();
this.hW = $( this.capa ).innerHeight();
};
ShootingStar.prototype.addBeamPart = function( x, y ) {
this.n++;
var name = this.getRandom( 100, 1 );
$( "#star"+name ).remove();
$( this.capa ).append( "<div id='star"+name+"'></div>" );
$( "#star"+name ).append( "<div id='haz"+this.n+"' class='haz' style='position:absolute; color:#FF0; width:10px; height:10px; font-weight:bold; font-size:"+this.options.starSize+"px'>·</div>" );
if ( this.n > 1 ) $( "#haz" + ( this.n - 1 ) ).css( { color:"rgba(255,255,255,0.5)" } );
$( "#haz" + this.n ).css( { top: y + this.n, left: x + ( this.n * this.options.dir ) } );
}
ShootingStar.prototype.delTrozoHaz = function() {
this.m++;
$( "#haz" + this.m ).animate( {opacity:0}, 75 );
if ( this.m >= this.options.beamSize ) { $( "#ShootingStarParams" ).fadeOut( "slow" ); }
}
ShootingStar.prototype.getRandom = function( max, min ) {
return Math.floor( Math.random() * (max - min + 1)) + min;
}
ShootingStar.prototype.toType = function ( obj ) {
if ( typeof obj === "undefined" ) { return "undefined"; /* consider: typeof null === object */ }
if ( obj === null ) { return "null"; }
var type = Object.prototype.toString.call( obj ).match( /^\[object\s(.*)\]$/ )[1] || '';
switch ( type ) {
case 'Number': if ( isNaN( obj ) ) { return "nan"; } else { return "number"; }
case 'String': case 'Boolean': case 'Array': case 'Date': case 'RegExp': case 'Function': return type.toLowerCase();
}
if ( typeof obj === "object" ) { return "object"; }
return undefined;
}
ShootingStar.prototype.launchStar = function( options ) {
if ( this.toType( options ) != "object" ) { options = {}; }
this.options = $.extend( {}, this.defaultOptions, options );
this.n=0;
this.m=0;
var i=0, l=this.options.beamSize,
x=this.getRandom( this.wW - this.options.beamSize - 100, 100 ), y=this.getRandom( this.hW - this.options.beamSize - 100, 100 ),
self = this;
for( ; i<l; i++ ) { setTimeout( function(){ self.addBeamPart( x, y ); }, self.options.life + ( i * self.options.velocity ) ); }
for( i=0; i<l; i++ ) { setTimeout( function(){ self.delTrozoHaz() }, self.options.beamSize + ( i * self.options.velocity ) ); }
$( "#ShootingStarParams" ).html( "Launching shooting star. PARAMS: wW: " + this.wW + " - hW: " + this.hW + " - life: " + this.options.life + " - beamSize: " + this.options.beamSize + " - velocity: " + this.options.velocity );
$( "#ShootingStarParams" ).fadeIn( "slow" );
}
ShootingStar.prototype.launch = function( everyTime ) {
if ( this.toType( everyTime ) != "number" ) { everyTime = 10; }
everyTime = everyTime * 1000;
this.launchStar();
var self = this;
setInterval( function() {
var options = {
dir: ( self.getRandom( 1, 0 ))?1:-1,
life: self.getRandom( 400, 100 ),
beamSize: self.getRandom( 700, 400 ),
velocity: self.getRandom( 10, 4 )
}
self.launchStar( options );
}, everyTime );
}
})();
最佳答案
body {
overflow: hidden;
}
这可以防止当元素的内容超出其尺寸时出现滚动条。
关于javascript - 脚本调整网页大小，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/36252415/