很喜歡在插件上進(jìn)行修修改改。Swiper3是我很喜歡使用的一個(gè)輪播圖插件。在這個(gè)插件上面，不知道是我改動(dòng)的原因，還是下載的版本原因，我現(xiàn)在使用的這個(gè)版本的js竟然有大部分屬性兼容ie9（感到很奇跡！?。Ｒ?，這個(gè)版本在ie9上面兼容什么呢？ 兼容自定義高度；傳統(tǒng)swiper和此版本swiper對(duì)比圖：（如圖1）
圖1
如果使用改動(dòng)版本的js，可改善這個(gè)問題。 左右按鈕有效，位置不變； 分頁器有效，且可點(diǎn)擊跳轉(zhuǎn)到對(duì)應(yīng)banner上； Loop循環(huán)屬性有效； 禁止切換有效； 支持一行多列（slidesPerView參數(shù)）； Swiper的回調(diào)函數(shù)有效； breakpoints斷點(diǎn)參數(shù)可用； 未知。改動(dòng)版本在IE9上不兼容什么？ 不兼容自動(dòng)切換； 不支持多列1行或者多列多行； 未知。二，Swiper（可復(fù)制以下代碼，保存為js放于項(xiàng)目中）；
/**
* Swiper 3.4.2
* Most modern mobile touch slider and framework with hardware accelerated transitions
*
* http://www.idangero.us/swiper/
*
* Copyright 2017, Vladimir Kharlampidi
* The iDangero.us
* http://www.idangero.us/
*
* Licensed under MIT
*
* Released on: March 10, 2017
*/
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n(){i&&i()}var o;e.complete&&r?n():a?(o=new window.Image,o.onload=n,o.onerror=n,s&&(o.sizes=s),t&&(o.srcset=t),a&&(o.src=a)):n()},x.preloadImages=function(){function e(){void 0!==x&&null!==x&&x&&(void 0!==x.imagesLoaded&&x.imagesLoaded++,x.imagesLoaded===x.imagesToLoad.length&&(x.params.updateOnImagesReady&&x.update(),x.emit("onImagesReady",x)))}x.imagesToLoad=x.container.find("img");for(var a=0;a<x.imagesToLoad.length;a++)x.loadImage(x.imagesToLoad[a],x.imagesToLoad[a].currentSrc||x.imagesToLoad[a].getAttribute("src"),x.imagesToLoad[a].srcset||x.imagesToLoad[a].getAttribute("srcset"),x.imagesToLoad[a].sizes||x.imagesToLoad[a].getAttribute("sizes"),!0,e)},x.autoplayTimeoutId=void 0,x.autoplaying=!1,x.autoplayPaused=!1,x.startAutoplay=function(){return void 0===x.autoplayTimeoutId&&(!!x.params.autoplay&&(!x.autoplaying&&(x.autoplaying=!0,x.emit("onAutoplayStart",x),void i())))},x.stopAutoplay=function(e){x.autoplayTimeoutId&&(x.autoplayTimeoutId&&clearTimeout(x.autoplayTimeoutId),x.autoplaying=!1,x.autoplayTimeoutId=void 0,x.emit("onAutoplayStop",x))},x.pauseAutoplay=function(e){x.autoplayPaused||(x.autoplayTimeoutId&&clearTimeout(x.autoplayTimeoutId),x.autoplayPaused=!0,0===e?(x.autoplayPaused=!1,i()):x.wrapper.transitionEnd(function(){x&&(x.autoplayPaused=!1,x.autoplaying?i():x.stopAutoplay())}))},x.minTranslate=function(){return-x.snapGrid[0]},x.maxTranslate=function(){return-x.snapGrid[x.snapGrid.length-1]},x.updateAutoHeight=function(){var e,a=[],t=0;if("auto"!==x.params.slidesPerView&&x.params.slidesPerView>1)for(e=0;e<Math.ceil(x.params.slidesPerView);e++){var s=x.activeIndex+e;if(s>x.slides.length)break;a.push(x.slides.eq(s)[0])}else a.push(x.slides.eq(x.activeIndex)[0]);for(e=0;e<a.length;e++)if(void 0!==a[e]){var r=a[e].offsetHeight;t=r>t?r:t}t&&x.wrapper.css("height",t+"px")},x.updateContainerSize=function(){var e,a;e=void 0!==x.params.width?x.params.width:x.container[0].clientWidth,a=void 0!==x.params.height?x.params.height:x.container[0].clientHeight,0===e&&x.isHorizontal()||0===a&&!x.isHorizontal()||(e=e-parseInt(x.container.css("padding-left"),10)-parseInt(x.container.css("padding-right"),10),a=a-parseInt(x.container.css("padding-top"),10)-parseInt(x.container.css("padding-bottom"),10),x.width=e,x.height=a,x.size=x.isHorizontal()?x.width:x.height)},x.updateSlidesSize=function(){x.slides=x.wrapper.children("."+x.params.slideClass),x.snapGrid=[],x.slidesGrid=[],x.slidesSizesGrid=[];var e,a=x.params.spaceBetween,t=-x.params.slidesOffsetBefore,s=0,i=0;if(void 0!==x.size){"string"==typeof a&&a.indexOf("%")>=0&&(a=parseFloat(a.replace("%",""))/100*x.size),x.virtualSize=-a,x.rtl?x.slides.css({marginLeft:"",marginTop:""}):x.slides.css({marginRight:"",marginBottom:""});var 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i,n=x.params.loop?Math.ceil((x.slides.length-2*x.loopedSlides)/x.params.slidesPerGroup):x.snapGrid.length;if(x.params.loop?(i=Math.ceil((x.activeIndex-x.loopedSlides)/x.params.slidesPerGroup),i>x.slides.length-1-2*x.loopedSlides&&(i-=x.slides.length-2*x.loopedSlides),i>n-1&&(i-=n),i<0&&"bullets"!==x.params.paginationType&&(i=n+i)):i=void 0!==x.snapIndex?x.snapIndex:x.activeIndex||0,"bullets"===x.params.paginationType&&x.bullets&&x.bullets.length>0&&(x.bullets.removeClass(x.params.bulletActiveClass),x.paginationContainer.length>1?x.bullets.each(function(){e(this).index()===i&&e(this).addClass(x.params.bulletActiveClass)}):x.bullets.eq(i).addClass(x.params.bulletActiveClass)),"fraction"===x.params.paginationType&&(x.paginationContainer.find("."+x.params.paginationCurrentClass).text(i+1),x.paginationContainer.find("."+x.params.paginationTotalClass).text(n)),"progress"===x.params.paginationType){var 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x.updateClasses(),s=("auto"===x.params.slidesPerView||x.params.slidesPerView>1)&&x.isEnd&&!x.params.centeredSlides?x.slideTo(x.slides.length-1,0,!1,!0):x.slideTo(x.activeIndex,0,!1,!0);x.params.lazyLoading&&!s&&x.lazy&&x.lazy.load(),x.params.allowSwipeToPrev=a,x.params.allowSwipeToNext=t,x.params.onAfterResize&&x.params.onAfterResize(x)},x.touchEventsDesktop={start:"mousedown",move:"mousemove",end:"mouseup"},window.navigator.pointerEnabled?x.touchEventsDesktop={start:"pointerdown",move:"pointermove",end:"pointerup"}:window.navigator.msPointerEnabled&&(x.touchEventsDesktop={start:"MSPointerDown",move:"MSPointerMove",end:"MSPointerUp"}),x.touchEvents={start:x.support.touch||!x.params.simulateTouch?"touchstart":x.touchEventsDesktop.start,move:x.support.touch||!x.params.simulateTouch?"touchmove":x.touchEventsDesktop.move,end:x.support.touch||!x.params.simulateTouch?"touchend":x.touchEventsDesktop.end},(window.navigator.pointerEnabled||window.navigator.msPointerEnabled)&&("container"===x.params.touchEventsTarget?x.container:x.wrapper).addClass("swiper-wp8-"+x.params.direction),x.initEvents=function(e){var 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t=e(this).index()*x.params.slidesPerGroup

新聞標(biāo)題：前端開發(fā)之可以讓swiper3兼容ie9的js
轉(zhuǎn)載來于：http://redsoil1982.com.cn/news12/243612.html

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