How to write Advertising Code for floating multiple groups of Images compatible with various browsers with close buttons
This article mainly explains "how to write a floating multi-group picture advertisement code compatible with major browsers with close buttons". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to write a floating multi-group picture advertisement code that is compatible with major browsers with close buttons.
JS section:
The copy code is as follows:
Function addEvent (obj, evtType, func, cap) {
Cap = cap | | false
If (obj.addEventListener) {
Obj.addEventListener (evtType, func, cap)
Return true
} else if (obj.attachEvent) {
If (cap) {
Obj.setCapture ()
Return true
} else {
Return obj.attachEvent ("on" + evtType, func)
}
} else {
Return false
}
}
Function getPageScroll () {
Var xScroll, yScroll
If (self.pageXOffset) {
XScroll = self.pageXOffset
} else if (document.documentElement & & document.documentElement.scrollLeft) {
XScroll = document.documentElement.scrollLeft
} else if (document.body) {
XScroll = document.body.scrollLeft
}
If (self.pageYOffset) {
YScroll = self.pageYOffset
} else if (document.documentElement & & document.documentElement.scrollTop) {
YScroll = document.documentElement.scrollTop
} else if (document.body) {
YScroll = document.body.scrollTop
}
ArrayPageScroll = new Array (xScroll, yScroll)
Return arrayPageScroll
}
Function GetPageSize () {
Var xScroll, yScroll
If (window.innerHeight & & window.scrollMaxY) {
XScroll = document.body.scrollWidth
YScroll = window.innerHeight + window.scrollMaxY
} else if (document.body.scrollHeight > document.body.offsetHeight) {
XScroll = document.body.scrollWidth
YScroll = document.body.scrollHeight
} else {
XScroll = document.body.offsetWidth
YScroll = document.body.offsetHeight
}
Var windowWidth, windowHeight
If (self.innerHeight) {
WindowWidth = self.innerWidth
WindowHeight = self.innerHeight
} else if (document.documentElement & & document.documentElement.clientHeight) {
WindowWidth = document.documentElement.clientWidth
WindowHeight = document.documentElement.clientHeight
} else if (document.body) {
WindowWidth = document.body.clientWidth
WindowHeight = document.body.clientHeight
}
If (yScroll
< windowHeight) { pageHeight = windowHeight; } else { pageHeight = yScroll; } if (xScroll < windowWidth) { pageWidth = windowWidth; } else { pageWidth = xScroll; } arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight) return arrayPageSize; } var AdMoveConfig = new Object(); AdMoveConfig.IsInitialized = false; AdMoveConfig.ScrollX = 0; AdMoveConfig.ScrollY = 0; AdMoveConfig.MoveWidth = 0; AdMoveConfig.MoveHeight = 0; AdMoveConfig.Resize = function () { var winsize = GetPageSize(); AdMoveConfig.MoveWidth = winsize[2]; AdMoveConfig.MoveHeight = winsize[3]; AdMoveConfig.Scroll(); } AdMoveConfig.Scroll = function () { var winscroll = getPageScroll(); AdMoveConfig.ScrollX = winscroll[0]; AdMoveConfig.ScrollY = winscroll[1]; } addEvent(window, "resize", AdMoveConfig.Resize); addEvent(window, "scroll", AdMoveConfig.Scroll); function AdMove(id) { if (!AdMoveConfig.IsInitialized) { AdMoveConfig.Resize(); AdMoveConfig.IsInitialized = true; } var obj = document.getElementById(id); obj.style.position = "absolute"; var W = AdMoveConfig.MoveWidth - obj.offsetWidth; var H = AdMoveConfig.MoveHeight - obj.offsetHeight; var x = W * Math.random(), y = H * Math.random(); var rad = (Math.random() + 1) * Math.PI / 6; var kx = Math.sin(rad), ky = Math.cos(rad); var dirx = (Math.random() < 0.5 ? 1 : -1), diry = (Math.random() < 0.5 ? 1 : -1); var step = 1; var interval; this.SetLocation = function (vx, vy) { x = vx; y = vy; } this.SetDirection = function (vx, vy) { dirx = vx; diry = vy; } obj.CustomMethod = function () { obj.style.left = (x + AdMoveConfig.ScrollX) + "px"; obj.style.top = (y + AdMoveConfig.ScrollY) + "px"; rad = (Math.random() + 1) * Math.PI / 6; W = AdMoveConfig.MoveWidth - obj.offsetWidth; H = AdMoveConfig.MoveHeight - obj.offsetHeight; x = x + step * kx * dirx; if (x < 0) { dirx = 1; x = 0; kx = Math.sin(rad); ky = Math.cos(rad); } if (x >W) {dirx =-1; x = W; kx = Math.sin (rad); ky = Math.cos (rad);}
Y = y + step * ky * diry
If (y)
< 0) { diry = 1; y = 0; kx = Math.sin(rad); ky = Math.cos(rad); } if (y >H) {diry =-1; y = H; kx = Math.sin (rad); ky = Math.cos (rad);}
}
This.Run = function () {
Var delay = 10
Interval = setInterval (obj.CustomMethod, delay)
Obj.onmouseover = function () {clearInterval (interval);}
Obj.onmouseout = function () {interval = setInterval (obj.CustomMethod, delay);}
}
}
Var ad2 = new AdMove ("ad2")
Ad2.Run ()
/ / multiple groups of floating
Html section:
The copy code is as follows:
