一个控制背景的显示公共方法 包括对ie的兼容性
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var ww; var wh; var ieVer=IEVersion(); var chVer=ChromeVersion(); var browserType=browser(); var expandNav=false; //让IE8支持forEach if ( !Array.prototype.forEach ) { Array.prototype.forEach = function forEach( callback, thisArg ) { var T, k; if ( this == null ) { throw new TypeError( "this is null or not defined" ); } var O = Object(this); var len = O.length >>> 0; if ( typeof callback !== "function" ) { throw new TypeError( callback + " is not a function" ); } if ( arguments.length > 1 ) { T = thisArg; } k = 0; while( k < len ) { var kValue; if ( k in O ) { kValue = O[ k ]; callback.call( T, kValue, k, O ); } k++; } }; } function resize(first){ ww=$(window).width(); wh=$(window).height(); var $body=$(‘body‘); $body.css({ ‘height‘:wh+‘px‘ }); var headerHeight=(ww>720)?60:46; $(‘#container‘).css(‘height‘,(($body.height()-headerHeight)+‘px‘)); $(‘#bg‘).css(‘height‘,(($body.height()-headerHeight)+‘px‘)); var $nav=$(‘nav‘); var $sm=$(‘.sub-menu-div‘); if(ww<=720){ $nav.css(‘height‘,Math.max(($body.height()-headerHeight),355)+‘px‘); $sm.stop().show(); $nav.stop().hide(); }else{ $sm.stop().hide(); $nav.stop().show(); } resizeHook(first); } $(function(){ resize(true); $(window).resize(function() { resize(); setTimeout(resize,500); }).load(function(){ resize(); setTimeout(resize,500); }); $(‘.has-sub-menu‘).mouseover(function () { if(ww>720) { var $sm = $(this).children(‘.sub-menu-div‘); $sm.stop().fadeIn(); } }).mouseleave(function () { if(ww>720) { var $sm = $(this).children(‘.sub-menu-div‘); $sm.stop().fadeOut(); } }); $(‘.nav-button‘).click(function(){ if(!expandNav){ $(‘nav‘).stop().slideDown(); if(ltIE9()){ var $img=$(‘#right_button>img‘); $img.fadeOut(300,null,function(){ $img.attr(‘src‘,getImgUrl(‘hanburger-button-close‘)).fadeIn(300); }); }else{ $(‘.menu-button‘).addClass(‘menuhover‘); } }else{ $(‘nav‘).stop().slideUp(); if(ltIE9()){ var $img=$(‘#right_button>img‘); $img.fadeOut(300,null,function(){ $img.attr(‘src‘,getImgUrl(‘hanburger-button‘)).fadeIn(300); }); }else { $(‘.menu-button‘).removeClass(‘menuhover‘); } } expandNav=!expandNav; }); if(noSVG()){ $(‘#logo‘).attr(‘src‘,getImgUrl(‘header_logo‘)); $(‘#logo_description‘).attr(‘src‘,getImgUrl(‘header_description‘)); } if(ltIE9()){ $(‘#right_button‘).html(‘<img style="display: block" src="‘+getImgUrl(‘hanburger-button‘)+‘" border=0 ondragstart="return false;"/>‘); } if(ltIE9() || browserType==‘Safari‘){ var fontArr=[‘xi‘,‘zhengcu‘,‘putong‘]; fontArr.forEach(function(e){ $(‘.font-‘+e).removeClass(‘font-‘+e).addClass(‘font-native-‘+e); }); } }); function resizeHook(first){} //判断浏览器版本是否低于IE9 function ltIE9(){ return ieVer && ieVer<9; } //查询IE浏览器版本 function IEVersion(userAgent){ var UA = userAgent || navigator.userAgent; if(/msie/i.test(UA)){ return UA.match(/msie (\d+\.\d+)/i)[1]*1; }else if(~UA.toLowerCase().indexOf(‘trident‘) && ~UA.indexOf(‘rv‘)){ return UA.match(/rv:(\d+\.\d+)/)[1]*1; } return false; } //查询Chrome浏览器大版本 function ChromeVersion(){ if(browser()!=‘Chrome‘){ return false; } var agent = navigator.userAgent.toLowerCase() ; var regStr_chrome = /chrome\/[\d.]+/gi ; var info=(agent.match(regStr_chrome)+"").replace(/[^0-9.]/ig,""); return /^([0-9]+)\./.exec(info)[1]*1; } //判断浏览器种类 function browser(){ if (!!window.ActiveXObject || "ActiveXObject" in window) return "IE";//判断是否IE浏览器 var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串 var isOpera = userAgent.indexOf("Opera") > -1; if (isOpera) { return "Opera" } //判断是否Opera浏览器 if (userAgent.indexOf("Edge") > -1) { return "Edge"; } //判断是否Edge浏览器 if (userAgent.indexOf("Firefox") > -1) { return "FF"; } //判断是否Firefox浏览器 if (userAgent.indexOf("Chrome") > -1){ return "Chrome"; } if (userAgent.indexOf("Safari") > -1) { if(userAgent.indexOf("Windows") > -1){ return "Safari for Win"; } return "Safari"; } //判断是否Safari浏览器 if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera) { return "IE"; } //判断是否IE浏览器 } //判断是否不支持SVG function noSVG(){ return ltIE9() || browserType==‘Safari for Win‘ || (chVer && chVer<31); } function getImgUrl(token) { var urls = { "hanburger-button-close": "img/hanburger-button-close.png", "hanburger-button": "img/hanburger-button.png", "header_logo": "img/header_logo.png", "header_description": "img/header_description.png", }; return $(‘.at-level-1‘).length>0 ? urls[token] : ‘../‘ + urls[token]; }
function resizeHook(){ if(ww<=720){ var $bf=$(‘#bg-float‘); $bf.css(‘width‘,ww+‘px‘); var bf_height=ww/720*534; if(wh>$bf.offset().top+bf_height){ $bf.css(‘padding-top‘,wh-$bf.offset().top-bf_height+‘px‘); } } }
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about yudian.js function resizeHook(){ if(ww<=720){ var $bf=$(‘#bg-float‘); $bf.css(‘width‘,ww+‘px‘); var bf_height=ww/720*534; if(wh>$bf.offset().top+bf_height){ $bf.css(‘padding-top‘,wh-$bf.offset().top-bf_height+‘px‘); } } }
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