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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Vue benchmark</title>
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</head>
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<body>
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<script src="https://cdn.jsdelivr.net/lodash/4.10.0/lodash.min.js"></script>
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<script src="../../dist/vue.min.js"></script>
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<style>
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.danger {
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background-color: red;
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}
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</style>
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<script type="text/x-template" id="t">
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<div>
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<h1>{{ total }} Components</h1>
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<p>{{ action }} took {{time}}ms.</p>
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<button @click="shuffle">shuffle</button>
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<button @click="add">add</button>
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<table class="table table-hover table-striped test-data">
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<row v-for="item in items" :key="item.id"
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:class="{ danger: item.id === selected }"
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:item="item"
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@select="select(item)"
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@remove="remove(item)">
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</row>
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</table>
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</div>
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</script>
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<script type="text/x-template" id="row">
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<tr>
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<td class="col-md-1">{{item.id}}</td>
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<td class="col-md-4">
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<a @click="$emit('select')">{{item.label}}</a>
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</td>
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<td class="col-md-1">
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<button @click="$emit('remove')">remove</button>
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</td>
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</tr>
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</script>
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<div id="el">
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</div>
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<script>
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var total = 1000
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var items = []
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for (var i = 0; i < total; i++) {
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items.push({
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id: i,
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label: String(Math.random()).slice(0, 5)
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})
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}
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var s = window.performance.now()
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console.profile('render')
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var vm = new Vue({
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el: '#el',
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template: '#t',
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data: {
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total: total,
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time: 0,
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action: 'Render',
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items: items,
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selected: null
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},
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methods: {
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shuffle: monitor('shuffle', function () {
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this.items = _.shuffle(this.items)
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}),
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add: monitor('add', function () {
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this.items.push({
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id: total++,
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label: String(Math.random()).slice(0, 5)
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})
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}),
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select: monitor('select', function (item) {
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this.selected = item.id
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}),
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remove: monitor('remove', function (item) {
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this.items.splice(this.items.indexOf(item), 1)
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})
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},
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components: {
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row: {
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props: ['item'],
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template: '#row'
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}
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}
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})
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setTimeout(function () {
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vm.time = window.performance.now() - s
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console.profileEnd('render')
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}, 0)
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function monitor (action, fn) {
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return function () {
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var s = window.performance.now()
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fn.apply(this, arguments)
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Vue.nextTick(function () {
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vm.action = action
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vm.time = window.performance.now() - s
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})
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}
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}
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</script>
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</body>
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</html>
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