/*
*
* 隐藏元素
* @param {String} elem
*/
function hide(elem){
var curDisplay = getStyle(elem, ' display ' );
if (curDisplay != ' none ' ){
elem.oldDisplay = curDisplay;
}
elem.style.display = ' none ' ;
}
/* *
* 显示元素
* @param {String} elem
*/
function show(elem){
elem.style.display = elem.oldDisply || ' block ' ;
}
/* *
* 设置透明度
* @param {Object} elem
* @param {Object} level (0-100)
*/
function setOpacity(elem, level){
if (elem.filters){ // 如果是IE
elem.style.filter = ' alpha(opacity= ' + level + ' ) ' ;
// 必须设置zoom,要不然透明度在IE下不生效 From:http://blog.csdn.net/dxx1988/article/details/6581430
elem.style.zoom = 1 ;
} else { // 否则是W3C
elem.style.opacity = level / 100 ;
}
}
/* *
* 滑动
* @param {Object} elem
*/
function slideDown(elem){
// elem.style.height = '0px';
show(elem);
var h = fullHeight(elem);
for ( var i = 0 ; i <= 100 ; i += 5 ){
( function (){
var pos = i;
setTimeout( function (){
elem.style.height = (pos / 100) * h + 'px';
}, (pos + 1 ) * 5 );
})();
}
}
// slideDown($('pText'));
// alert(fullHeight($('pText')));
/* *
* 透明度渐显 From: http://mrthink.net/js-fadein-fadeout-fadeto/
* @param {Object} elem
* @param {Number} speed 淡入速度,正整数(可选)
* @param {Number} opacity 淡入到指定的透明度,0~100(可选)
*/
function fadeInThink(elem, speed, opacity){
speed = speed || 20 ;
opacity = opacity || 100 ;
show(elem);
setOpacity(elem, 0 );
// 初始化透明度变化值为0
var val = 0 ;
// 循环将透明值以5递增,即淡入效果
( function (){
setOpacity(elem, val);
val += 5 ;
if (val <= opacity) {
setTimeout(arguments.callee, speed)
}
})();
}
/* *
* 透明度渐显
* @param {Object} elem
*/
function fadeIn(elem){
// setOpacity(emel, 0);
show(elem);
for ( var i = 0 ; i <= 100 ; i += 10 ){
( function (){
var pos = i;
setTimeout( function (){
setOpacity(elem, pos);
}, (pos + 1 ) * 10 );
})();
}
}
/* *
* 透明度渐隐 From: http://mrthink.net/js-fadein-fadeout-fadeto/
* @param {Object} elem
*/
function fadeOut(elem){
var val = 100 ;
( function (){
setOpacity(elem, val);
val -= 5 ;
if (val >= 0 ){
setTimeout(arguments.callee, 50 );
} else if (val < 0 ){
hide(elem);
}
})();
}
// fadeInThink($('pText'));
/* *
* 光标的水平位置
* @param {Object} e
*/
function getX(e){
e = e || window.event;
return e.pageX || e.clientX + document.body.scrollLeft;
}
/* *
* 光标的垂直位置
* @param {Object} e
*/
function getY(e){
e = e || window.event;
return e.pageY || e.clientY + document.body.scrollTop;
}
/* *
* 获得鼠标相对于当前元素的X位置
* @param {Object} e
*/
function getElementX(e){
return (e && e.layerX) || window.event.offsetX;
}
/* *
* 获得鼠标相对于当前元素的Y位置
* @param {Object} e
*/
function getElementY(e){
return (e && e.layerY) || window.event.offsetY;
}
/* *
* 当前页面的高度
*/
function pageHeight(){
return document.body.scrollHeight;
}
/* *
* 当前页面的宽度
*/
function pageWidth(){
return document.body.scrollWidth;
}
// alert(pageHeight());
/* *
* 视口的高度
*/
function windowHeight(){
var de = document.documentElement;
return self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
}
/* *
* 视口的高度
*/
function windowWidth(){
var de = document.documentElement;
return self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
}
/* *
* 浏览器水平滚动位置
*/
function scrollX(){
var de = document.documentElement;
return self.pageOffsetset || (de && de.scrollLeft) || document.body.scrollLeft;
}
/* *
* 浏览器垂直滚动位置
*/
function scrollY(){
var de = document.documentElement;
return self.pageYOffset || (de && de.scrollTop) || document.body.scrollTop;
}
* 隐藏元素
* @param {String} elem
*/
function hide(elem){
var curDisplay = getStyle(elem, ' display ' );
if (curDisplay != ' none ' ){
elem.oldDisplay = curDisplay;
}
elem.style.display = ' none ' ;
}
/* *
* 显示元素
* @param {String} elem
*/
function show(elem){
elem.style.display = elem.oldDisply || ' block ' ;
}
/* *
* 设置透明度
* @param {Object} elem
* @param {Object} level (0-100)
*/
function setOpacity(elem, level){
if (elem.filters){ // 如果是IE
elem.style.filter = ' alpha(opacity= ' + level + ' ) ' ;
// 必须设置zoom,要不然透明度在IE下不生效 From:http://blog.csdn.net/dxx1988/article/details/6581430
elem.style.zoom = 1 ;
} else { // 否则是W3C
elem.style.opacity = level / 100 ;
}
}
/* *
* 滑动
* @param {Object} elem
*/
function slideDown(elem){
// elem.style.height = '0px';
show(elem);
var h = fullHeight(elem);
for ( var i = 0 ; i <= 100 ; i += 5 ){
( function (){
var pos = i;
setTimeout( function (){
elem.style.height = (pos / 100) * h + 'px';
}, (pos + 1 ) * 5 );
})();
}
}
// slideDown($('pText'));
// alert(fullHeight($('pText')));
/* *
* 透明度渐显 From: http://mrthink.net/js-fadein-fadeout-fadeto/
* @param {Object} elem
* @param {Number} speed 淡入速度,正整数(可选)
* @param {Number} opacity 淡入到指定的透明度,0~100(可选)
*/
function fadeInThink(elem, speed, opacity){
speed = speed || 20 ;
opacity = opacity || 100 ;
show(elem);
setOpacity(elem, 0 );
// 初始化透明度变化值为0
var val = 0 ;
// 循环将透明值以5递增,即淡入效果
( function (){
setOpacity(elem, val);
val += 5 ;
if (val <= opacity) {
setTimeout(arguments.callee, speed)
}
})();
}
/* *
* 透明度渐显
* @param {Object} elem
*/
function fadeIn(elem){
// setOpacity(emel, 0);
show(elem);
for ( var i = 0 ; i <= 100 ; i += 10 ){
( function (){
var pos = i;
setTimeout( function (){
setOpacity(elem, pos);
}, (pos + 1 ) * 10 );
})();
}
}
/* *
* 透明度渐隐 From: http://mrthink.net/js-fadein-fadeout-fadeto/
* @param {Object} elem
*/
function fadeOut(elem){
var val = 100 ;
( function (){
setOpacity(elem, val);
val -= 5 ;
if (val >= 0 ){
setTimeout(arguments.callee, 50 );
} else if (val < 0 ){
hide(elem);
}
})();
}
// fadeInThink($('pText'));
/* *
* 光标的水平位置
* @param {Object} e
*/
function getX(e){
e = e || window.event;
return e.pageX || e.clientX + document.body.scrollLeft;
}
/* *
* 光标的垂直位置
* @param {Object} e
*/
function getY(e){
e = e || window.event;
return e.pageY || e.clientY + document.body.scrollTop;
}
/* *
* 获得鼠标相对于当前元素的X位置
* @param {Object} e
*/
function getElementX(e){
return (e && e.layerX) || window.event.offsetX;
}
/* *
* 获得鼠标相对于当前元素的Y位置
* @param {Object} e
*/
function getElementY(e){
return (e && e.layerY) || window.event.offsetY;
}
/* *
* 当前页面的高度
*/
function pageHeight(){
return document.body.scrollHeight;
}
/* *
* 当前页面的宽度
*/
function pageWidth(){
return document.body.scrollWidth;
}
// alert(pageHeight());
/* *
* 视口的高度
*/
function windowHeight(){
var de = document.documentElement;
return self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
}
/* *
* 视口的高度
*/
function windowWidth(){
var de = document.documentElement;
return self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
}
/* *
* 浏览器水平滚动位置
*/
function scrollX(){
var de = document.documentElement;
return self.pageOffsetset || (de && de.scrollLeft) || document.body.scrollLeft;
}
/* *
* 浏览器垂直滚动位置
*/
function scrollY(){
var de = document.documentElement;
return self.pageYOffset || (de && de.scrollTop) || document.body.scrollTop;
}
本文转自豪情博客园博客,原文链接:http://www.cnblogs.com/jikey/archive/2011/07/25/2116696.html,如需转载请自行联系原作者