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A Flavor of Directives. 11 15 message: 'Our king is dead!' 16 } 17 }) 18 19 Here we have an HTML file with our known div id="app" and a textarea. Inside the textarea we are going to display our message. Of course, it is not yet binded and by this point maybe you have already figured it out. Also you may have noticed that in this example we are no longer using the minified version of Vue.js. As we have mentioned before, the minified version shouldn’t be used during development because you will miss out warnings for common mistakes. From now on we are going to use this version in the book but of course you are free to do as you like. 1 2 3 Hello Vue 4 5 6 7 8 9 10 {{$data | json}} 11 12 13 14 15 new Vue({ 16 el: '#app', 17 data: { 18 message: 'Our king is dead!' 19 } 20 }) 21 22 It is time to bind the value of textarea with our message variable using v-model so it displays our message. Anything we type in is going to change in real time just as we saw in the example from the previous chapter where we were using an input. Additionally here we are using a pre tag to spit out the data. What this is going to do, is to take the data from our Vue instance, filter it through json, and finally display the data in our browser. We believe, that this gives a much better way to
A Flavor of Directives. 12 build and manipulate our data since having everything right in front of you is better than looking constantly at your console. Info JSON (JavaScript Object Notation) is a lightweight data-interchange format. You can find more info on JSON here¹. The output of {{$data | json}} is binded with Vue data and will get updated on every change. 1 2 3 Hello Vue 4 5 6 7 You must send a message for help! 8 9 10 Send word to allies for help! 11 12 13 {{$data | json}} 14 15 16 17 18 19 new Vue({ 20 el: '#app', 21 data: { 22 message: 'Our king is dead! Send help!' 23 } 24 }) 25 26 Carrying on, we now have a simple warning in the h1 tag that will toggle later based on some criteria. Next to it, there is the button which is going to display conditionally, it appears only if there is a message present. If the textarea is empty and therefore our data, the button’s display attribute is automatically set to ‘none’ and the button disappears. ¹http://www.json.org/
Page 2 and 3: The Majesty Of Vue.js © 2015 - 201
Page 4 and 5: CONTENTS 3. A Flavor of Directives.
Page 6 and 7: Introduction i
Page 8 and 9: About Vue.js iii “Mark my words:
Page 10 and 11: About Vue.js v React React and Vue.
Page 12 and 13: About Vue.js vii Ember Ember is a f
Page 14 and 15: About Vue.js ix Riot Riot 2.0 provi
Page 16 and 17: Welcome xi Homework The best way to
Page 18 and 19: Vue.js Fundamentals 1
Page 20 and 21: Install Vue.js 3 1 # latest stable
Page 22 and 23: Getting Started 5 10 11 12 13 14
Page 24 and 25: Getting Started 7 Two-way data bind
Page 26 and 27: Getting Started 9 2.4 Homework A ni
Page 30 and 31: A Flavor of Directives. 13 Info An
Page 32 and 33: A Flavor of Directives. 15 Template
Page 34 and 35: A Flavor of Directives. 17 12 13
Page 36 and 37: A Flavor of Directives. 19 3.5 Home
Page 38 and 39: List Rendering 21 At this point, we
Page 40 and 41: List Rendering 23 4.2 v-for In orde
Page 42 and 43: List Rendering 25 4.3 Array Renderi
Page 44 and 45: List Rendering 27 This is the outpu
Page 46 and 47: List Rendering 29 Rendered array wi
Page 48 and 49: List Rendering 31 1 2 Let's hear s
Page 50 and 51: List Rendering 33 37 data: { 38 sto
Page 52 and 53: List Rendering 35 13 14 17 {{ sto
Page 54 and 55: List Rendering 37 Isn’t that awes
Page 56 and 57: List Rendering 39 36 writer: "John"
Page 58 and 59: List Rendering 41 We initialize ord
Page 60 and 61: List Rendering 43 29 }) 30 31 new V
Page 62 and 63: List Rendering 45 4.8 Homework For
Page 64 and 65: Interactivity 47 1 2 3 5 Upvote
Page 66 and 67: Interactivity 49 1 2 3 5 Upvote
Page 68 and 69: Interactivity 51 19 20 22 23 25
Page 70 and 71: Interactivity 53 Using Event Modifi
Page 72 and 73: Interactivity 55 11 {{$data | json}
Page 74 and 75: Interactivity 57 But there is a mor
Page 76 and 77: Interactivity 59 24 } 25 }, 26 });
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Interactivity 61 1 2 3 Let's hear
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6. Components 6.1 What are Componen
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Components 65 1 2 3 4 5 6 7
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Components 67 1 Vue.component('stor
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Components 69 Info v-bind is used t
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Components 71 1 2 Lets hear some s
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Components 73 1 2 3 5 Hello Vue
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Components 75 13 el: '#app', 14 dat
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Components 77 16 17 1 Vue.compone
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Components 79 1 2 3 Let's hear so
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Components 81 6.7 Homework This is
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7. Class and Style Bindings 7.1 Cla
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Class and Style Bindings 85 Changed
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Class and Style Bindings 87 7.1.2 A
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Class and Style Bindings 89 Style o
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Class and Style Bindings 91 32 }, 3
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Consuming an API 93
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Preface 95 8.2.1 Download Book’s
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Preface 97 As indicated in the abov
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Working with real data 99 To do so
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Working with real data 101 Get stor
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Working with real data 103 Renderin
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Working with real data 105 1 2 3
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Working with real data 107 1 2 3
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10. Integrating vue-resource 10.1 O
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Integrating vue-resource 111 DELETE
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Integrating vue-resource 113 1 read
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Integrating vue-resource 115 1 var
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Integrating vue-resource 117 We obs
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Integrating vue-resource 119 The fe
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Integrating vue-resource 121 1 Vue.
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Integrating vue-resource 123 31 33
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Integrating vue-resource 125 1 Vue.
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Integrating vue-resource 127 10.6 H
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