import JQuery from 'jquery' window.$ = JQuery or simply import $ from 'jquery' mounted () { // Your JQuery code here } ----------------------------------------------- Vue.prototype.$ = $; .... // in Vue Component created() { const $body = this.$('body'); console.log($body); } -------------------------------------------- https://webpack.js.org/plugins/provide-plugin/ new webpack.ProvidePlugin({ $: 'jquery', jQuery: 'jquery', }); -------------------------------------------- https://vuejsdevelopers.com/2017/05/20/vue-js-safely-jquery-plugin/ ----------------------------------------------