我想使用一个简单的bootstrap、jquery插件bootstrap-show-password
,但是当加载带有表单的页面时会显示错误Uncaught ReferenceError: $ is not defined
。
我不明白为什么jquery没有被加载。我做了通常的操作:
npm install bootstrap jquery popper.js --save
并且在我的app.js
文件中添加了以下代码:
//import jQuery from "jquery";
//window.$ = window.jQuery = jQuery;
// this should be loaded with webpack, right?! ^
import "bootstrap";
import "bootstrap-show-password";
我正在查看webpack 文档,上面说要使用插件提供程序,但是当我将其添加到我的
webpack.config.js
文件中时。new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
});
npm run build
告诉我出现了 TypeError: webpack.ProvidePlugin is not a constructor
错误。
我是否漏掉了需要安装的东西?
这是我的 package.json
依赖项:
"devDependencies": {
"@babel/preset-env": "^7.12.17",
"autoprefixer": "^9.8.6",
"babel-loader": "^8.2.2",
"browser-sync": "^2.26.14",
"eslint": "^7.20.0",
"eslint-loader": "^4.0.2",
"htmlnano": "^0.2.8",
"imagemin-cli": "^6.0.0",
"node-sass": "^5.0.0",
"npm-run-all": "^4.1.5",
"onchange": "^7.1.0",
"postcss": "^8.2.6",
"postcss-cli": "^8.3.1",
"posthtml": "^0.15.1",
"posthtml-cli": "^0.9.1",
"posthtml-modules": "^0.7.3",
"stylelint": "^13.11.0",
"webpack": "^5.23.0",
"webpack-cli": "^4.5.0"
},
"dependencies": {
"bootstrap": "^4.6.0",
"bootstrap-show-password": "^1.2.1",
"jquery": "^3.5.1",
"popper.js": "^1.16.1"
}