نمونه اسکریپت:

در صورتی که مرورگر شما از این اسکریپت پشتیبانی نماید، با حرکت دادن نشانه گر ماوس در کادر زیر، تصاویر (مرورگرهایی که در قسمت سمت راست وب سایت برای دانلود قرار داده شده اند) به دنبال نشانه گر ماوس به حرکت در می آیند.

کد اسکریپت:(توجه: پس از قرار دادن کد، آدرس تصاویر خود را جایگزین نمایید.)

<div id="dot0" style="position: absolute; visibility: hidden; height: 11; width: 11;"><img src="ie1.gif" height=11 width=11></div> <div id="dot1" style="position: absolute; height:12; width:12;"><img src="firefox1.bmp" height=15 width=15></div> <div id="dot2" style="position: absolute; height:12; width:12;"><img src="opera1.bmp" height=12 width=12></div> <div id="dot3" style="position: absolute; height:12; width:12;"><img src="mozilla1.bmp" height=15 width=15></div> <div id="dot4" style="position: absolute; height:12; width:12;"><img src="netscape1.bmp" height=12 width=12></div> <div id="dot5" style="position: absolute; height:12; width:12;"><img src="maxthon1.bmp" height=15 width=15></div> <div id="dot6" style="position: absolute; height:12; width:12;"><img src="flock1.bmp" height=12 width=12></div> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin var nDots = 7; var Xpos = 0; var Ypos = 0; var DELTAT = .01; var SEGLEN = 10; var SPRINGK = 10; var MASS = 1; var GRAVITY = 50; var RESISTANCE = 10; var STOPVEL = 0.1; var STOPACC = 0.1; var DOTSIZE = 11; var BOUNCE = 0.75; var isNetscape = navigator.appName=="Netscape"; var followmouse = true; var dots = new Array(); init(); function init() { var i = 0; for (i = 0; i < nDots; i++) { dots[i] = new dot(i); } if (!isNetscape) { // I only know how to read the locations of the // <LI> items in IE //skip this for now // setInitPositions(dots) } for (i = 0; i < nDots; i++) { dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } if (isNetscape) { startanimate(); } else { // let dots sit there for a few seconds // since they're hiding on the real bullets setTimeout("startanimate()", 3000); } } function dot(i) { this.X = Xpos; this.Y = Ypos; this.dx = 0; this.dy = 0; if (isNetscape) { this.obj = eval("document.dot" + i); } else { this.obj = eval("dot" + i + ".style"); } } function startanimate() { setInterval("animate()", 20); } function setInitPositions(dots) { var startloc = document.all.tags("LI"); var i = 0; for (i = 0; i < startloc.length && i < (nDots - 1); i++) { dots[i+1].X = startloc[i].offsetLeft startloc[i].offsetParent.offsetLeft - DOTSIZE; dots[i+1].Y = startloc[i].offsetTop + startloc[i].offsetParent.offsetTop + 2*DOTSIZE; } dots[0].X = dots[1].X; dots[0].Y = dots[1].Y - SEGLEN; } function MoveHandler(e) { Xpos = e.pageX; Ypos = e.pageY; return true; } function MoveHandlerIE() { Xpos = window.event.x + document.body.scrollLeft; Ypos = window.event.y + document.body.scrollTop; } if (isNetscape) { document.captureEvents(Event.MOUSEMOVE); document.onMouseMove = MoveHandler; } else { document.onmousemove = MoveHandlerIE; } function vec(X, Y) { this.X = X; this.Y = Y; } // adds force in X and Y to spring for dot[i] on dot[j] function springForce(i, j, spring) { var dx = (dots[i].X - dots[j].X); var dy = (dots[i].Y - dots[j].Y); var len = Math.sqrt(dx*dx + dy*dy); if (len > SEGLEN) { var springF = SPRINGK * (len - SEGLEN); spring.X += (dx / len) * springF; spring.Y += (dy / len) * springF; } } function animate() { var start = 0; if (followmouse) { dots[0].X = Xpos; dots[0].Y = Ypos; start = 1; } for (i = start ; i < nDots; i++ ) { var spring = new vec(0, 0); if (i > 0) { springForce(i-1, i, spring); } if (i < (nDots - 1)) { springForce(i+1, i, spring); } var resist = new vec(-dots[i].dx * RESISTANCE, -dots[i].dy * RESISTANCE); var accel = new vec((spring.X + resist.X)/ MASS, (spring.Y + resist.Y)/ MASS + GRAVITY); dots[i].dx += (DELTAT * accel.X); dots[i].dy += (DELTAT * accel.Y); if (Math.abs(dots[i].dx) < STOPVEL && Math.abs(dots[i].dy) < STOPVEL && Math.abs(accel.X) < STOPACC && Math.abs(accel.Y) < STOPACC) { dots[i].dx = 0; dots[i].dy = 0; } dots[i].X += dots[i].dx; dots[i].Y += dots[i].dy; var height, width; if (isNetscape) { height = window.innerHeight + document.scrollTop; width = window.innerWidth + document.scrollLeft; } else { height = document.body.clientHeight + document.body.scrollTop; width = document.body.clientWidth + document.body.scrollLeft; } if (dots[i].Y >= height - DOTSIZE - 1) { if (dots[i].dy > 0) { dots[i].dy = BOUNCE * -dots[i].dy; } dots[i].Y = height - DOTSIZE - 1; } if (dots[i].X >= width - DOTSIZE) { if (dots[i].dx > 0) { dots[i].dx = BOUNCE * -dots[i].dx; } dots[i].X = width - DOTSIZE - 1; } if (dots[i].X < 0) { if (dots[i].dx < 0) { dots[i].dx = BOUNCE * -dots[i].dx; } dots[i].X = 0; } dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } } // End --> </script>