lovecoding
/
web0331


			
				
					
						
						
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970
							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <!-- v-for 
            格式：
                v-for="(item<每一项>,index<每一项的下标>) in 循环的字段" :key="唯一的值" 
                key 具有唯一性
            v-if 与 v-for 谁的优先级高
            1.Vue2 v-for优先级高
            2.Vue3 v-if优先级高
        -->
        <!-- 数组 -->
        <div v-for="(item,index) in arr" :key="item.id">
            {{item.name}}--{{item.age}}
        </div>
        <!-- 对象 -->
         <div v-for="(item,index) in obj" :key="index">
            {{item}}
         </div>
         <!-- 数字 -->
         <div v-for="(item,index) in 10" :key="index">
            {{item}}
         </div>
         <!-- 字符串 -->
         <div v-for="(item,index) in str" :key="index">
            {{item}}
         </div>
    </div>
    <script src="./vue.js"> </script>
    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                arr: [
                    {
                        name: "孙悟空",
                        age: 10,
                        id: 1
                    },
                    {
                        name: "猪八戒",
                        age: 20,
                        id: 2
                    },
                    {
                        name: "唐僧",
                        age: 30,
                        id: 3
                    },
                ],
                obj:{
                    name: "唐僧",
                    age: 30,
                    id: 3
                },
                str:"hello"
            }
        })
    </script>
</body>

</html>