<div id="app">
<div v-if="c1">c1</div>
</div>
......
var app = new Vue({
el: '#app',
data: {
c1: false
}
});
<div id="app"></div>
<div id="app">
<div v-if="c1">c1</div>
<div v-else>c1 is not true</div>
</div>
......
var app = new Vue({
el: '#app',
data: {
c1: false
}
});
<div id="app">
<div v-if="c1">c1</div>
<div v-else-if="c2">c2</div>
</div>
......
var app = new Vue({
el: '#app',
data: {
c1: false,
c2: true
}
});
<div id="app"> <div>c2</div> </div>
<div id="app">
<div v-show="c4">c4</div>
</div>
......
var app = new Vue({
el: '#app',
data: {
c4: false
}
});
<div id="app"> <div style="display: none;">c4</div> </div>
<div id="app">
<form>
<div class="input-group" v-if="name">
<label for="name">name:</label>
<input type="text" name="name" placeholder="user name" />
</div>
<div class="input-group" v-else>
<label for="email">email:</label>
<input type="text" name="email" placeholder="email" />
</div>
<button v-on:click.prevent="toggle">toggle</button>
</form>
</div>
......
var app = new Vue({
el: '#app',
data: {
name: true
},
methods: {
toggle: function () {
this.name = ! this.name;
}
}
});
<div id="app">
<form>
<div class="input-group" v-if="name">
<label for="name">name:</label>
<input type="text" name="name" placeholder="user name" key="name" />
</div>
<div class="input-group" v-else>
<label for="email">email:</label>
<input type="text" name="email" placeholder="email" key="email" />
</div>
<button v-on:click.prevent="toggle">toggle</button>
</form>
</div>
......
var app = new Vue({
el: '#app',
data: {
name: true
},
methods: {
toggle: function () {
this.name = ! this.name;
}
}
});
{{#if ok}}
<h1>Yes</h1>
{{/if}}
<h1 v-if="ok">Yes</h1>
{{#if ok}}
<h1>Yes</h1>
<h1>Yes</h1>
<h1>Yes</h1>
{{/if}}
<h1 v-if="ok">Yes</h1> <h1 v-if="ok">Yes</h1> <h1 v-if="ok">Yes</h1>
<template v-if="ok"> <h1>Yes</h1> <h1>Yes</h1> <h1>Yes</h1> </template>
<div id="app">
<template v-if="c3">text</template>
</div>
......
var app = new Vue({
el: '#app',
data: {
c3: true
}
});
<div id="app">text</div>
<div title="<template">title content>此处应有 title</div>
<div v-bind:title="c3 ? 'title content' : '' ">title</div>
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