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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] >[success] # 編寫TodoList功能了解循環與雙向綁定 本章節講解了,如何使用 **v-for** 以及 **v-model** 。 **index.html** ~~~ <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Todo List</title> <!-- 通過cdn方式引入vue --> <script src="https://unpkg.com/vue@next"></script> </head> <body> <div id="root"></div> </body> <script> // 創建vue實例 Vue.createApp({ data(){ return{ inputValue: '', list: [ 'hello', 'word', 'dell', 'lee' ] } }, methods: { handleAddItem(){ this.list.push(this.inputValue) this.inputValue = '' } }, template: ` <div> <input v-model="inputValue"/> <button v-on:click="handleAddItem">增加</button> <ul> <li v-for="(item, index) of list">{{item}}{{index}}</li> </ul> </div> ` // 在標簽中使用變量 }).mount('#root') // 將template中的內容掛載到id為root的元素中 </script> </html> ~~~
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