sticky无法正常运行

[echozhangzy8888]

项目 package.json内容 "dependencies": { "axios": "^0.16.1", "highcharts": "^5.0.10", "jsonp": "^0.2.1", "swiper": "^3.4.2", "vee-validate": "^2.0.0-rc.2", "vue": "^2.2.2", "vue-router": "^2.3.0", "vux": "^2.3.6" }, "devDependencies": { "autoprefixer": "^6.7.2", "babel-core": "^6.22.1", "babel-loader": "^6.2.10", "babel-plugin-transform-runtime": "^6.22.0", "babel-preset-env": "^1.2.1", "babel-preset-stage-2": "^6.22.0", "babel-register": "^6.22.0", "chalk": "^1.1.3", "connect-history-api-fallback": "^1.3.0", "copy-webpack-plugin": "^4.0.1", "css-loader": "^0.26.1", "eventsource-polyfill": "^0.9.6", "express": "^4.14.1", "extract-text-webpack-plugin": "^2.0.0", "file-loader": "^0.10.0", "friendly-errors-webpack-plugin": "^1.1.3", "html-webpack-plugin": "^2.28.0", "http-proxy-middleware": "^0.17.3", "less-loader": "^4.0.3", "node-sass": "^4.5.2", "opn": "^4.0.2", "optimize-css-assets-webpack-plugin": "^1.3.0", "ora": "^1.1.0", "rimraf": "^2.6.0", "sass-loader": "^6.0.3", "semver": "^5.3.0", "shelljs": "^0.7.6", "url-loader": "^0.5.8", "vue-loader": "^11.1.4", "vue-style-loader": "^2.0.0", "vue-template-compiler": "^2.2.4", "vux-loader": "^1.0.57", "webpack": "^2.2.1", "webpack-bundle-analyzer": "^2.2.1", "webpack-dev-middleware": "^1.10.0", "webpack-hot-middleware": "^2.16.1", "webpack-merge": "^2.6.1" },

问题描述：将vux里的sticky的demo代码原封不动复制进来 运行 浏览器 错误提示 sticky.js?1f43:62 Uncaught TypeError: Cannot read property 'addEventListener' of null at eval (eval at 319 (21.js:29), <anonymous>:60:16) ​ scrollBox.addEventListener('scroll', scrollHandler) 这句报错

[airyland]

不要直接复制。看清楚参数，如果指定了滚动容器而你那边并没有当然会报错。