47 lines
963 B
HTML
47 lines
963 B
HTML
<!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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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Hello Vue</title>
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<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
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</head>
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<body>
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<div id="app">
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<p>
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{{ message }}
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<button @click="changeMessage">Change the message!</button>
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</p>
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<!-- Vypíše počet sudých čísel v numbers -->
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{{ evenNumbersCount }}
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</div>
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<script>
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new Vue({
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el: "#app",
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data: {
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message: "Hello Vue!",
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numbers: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
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},
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methods: {
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changeMessage() {
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this.message = "Hello World!";
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},
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},
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computed: {
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evenNumbersCount() {
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return this.numbers.filter((i) => i % 2 === 0).length;
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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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