小编Eli*_*ran的帖子

我设置 swiper.js 使用 ReactJS 来浏览不同的问题。我正在尝试使用 swiper 的 onSlideChange 方法更改 {quesNumber} 状态，该方法应根据当前问题的编号（“q-{quesNumber}”）设置“q”URL 参数。我已经设法做到了，但它卡在第一张幻灯片上，而没有更改到下一张幻灯片。我在控制台上收到此错误：

Uncaught TypeError: Cannot read property 'removeClass' of undefined
    at Swiper.updateSlidesClasses (swiper.esm.js:753)
    at Swiper.slideTo (swiper.esm.js:1311)
    at Swiper.slideNext (swiper.esm.js:1383)
    at Swiper.onNextClick (navigation.js:45)
    at HTMLDivElement.handleEvent (dom7.esm.js:517)

 - Here is my code:

    



Uncaught TypeError: Cannot read property 'removeClass' of undefined
    at Swiper.updateSlidesClasses (swiper.esm.js:753)
    at Swiper.slideTo (swiper.esm.js:1311)
    at Swiper.slideNext (swiper.esm.js:1383)
    at Swiper.onNextClick (navigation.js:45)
    at HTMLDivElement.handleEvent (dom7.esm.js:517)

 - Here is my code:

    



    import React, { useContext } from "react";
    import { useHistory } from …
Run Code Online (Sandbox Code Playgroud)
Run Code Online (Sandbox Code Playgroud)