바닐라 JS) 15. 랜덤 명언 만들기

Sep 02, 2024

1. 명언 배열에서 가져오기

index.html


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
    <form class="login-form hidden" id="login-form">
        <input 
            required 
            maxlength="15" 
            type="text" 
            placeholder="What is your name?" />
        </form>
            <h2 id="clock">00:00:00</h2>
            <h1 class="hidden" id="greeting" ></h1>
            <div id="quote">
                <span></span>
                <span></span>
            </div>
        <script src="js/greetings.js"></script>
        <script src="js/clock.js"></script>
        <script src="js/quotes.js"></script>
</body>
</html>

quote.js 만들기


const quotes = [
    {
        quote: "The only way to do great work is to love what you do.",
        author: "Steve Jobs"
    },
    {
        quote: "Life is what happens when you're busy making other plans.",
        author: "John Lennon"
    },
    {
        quote: "The purpose of our lives is to be happy.",
        author: "Dalai Lama"
    },
    {
        quote: "Get busy living or get busy dying.",
        author: "Stephen King"
    },
    {
        quote: "You have within you right now, everything you need to deal with whatever the world can throw at you.",
        author: "Brian Tracy"
    },
    {
        quote: "Believe you can and you're halfway there.",
        author: "Theodore Roosevelt"
    },
    {
        quote: "The best way to predict the future is to invent it.",
        author: "Alan Kay"
    },
    {
        quote: "Your time is limited, don't waste it living someone else's life.",
        author: "Steve Jobs"
    },
    {
        quote: "If life were predictable it would cease to be life, and be without flavor.",
        author: "Eleanor Roosevelt"
    },
    {
        quote: "In the end, we will remember not the words of our enemies, but the silence of our friends.",
        author: "Martin Luther King Jr."
    }
];

const quote = document.querySelector("#quote span:first-child");
const author = document.querySelector("#quote span:last-child");

console.log(quote[0]);

2. 난수 생성하기


Math.random()

4. random으로 명언 조회하기

quotes.js


const quotes = [
    {
        quote: "The only way to do great work is to love what you do.",
        author: "Steve Jobs"
    },
    {
        quote: "Life is what happens when you're busy making other plans.",
        author: "John Lennon"
    },
    {
        quote: "The purpose of our lives is to be happy.",
        author: "Dalai Lama"
    },
    {
        quote: "Get busy living or get busy dying.",
        author: "Stephen King"
    },
    {
        quote: "You have within you right now, everything you need to deal with whatever the world can throw at you.",
        author: "Brian Tracy"
    },
    {
        quote: "Believe you can and you're halfway there.",
        author: "Theodore Roosevelt"
    },
    {
        quote: "The best way to predict the future is to invent it.",
        author: "Alan Kay"
    },
    {
        quote: "Your time is limited, don't waste it living someone else's life.",
        author: "Steve Jobs"
    },
    {
        quote: "If life were predictable it would cease to be life, and be without flavor.",
        author: "Eleanor Roosevelt"
    },
    {
        quote: "In the end, we will remember not the words of our enemies, but the silence of our friends.",
        author: "Martin Luther King Jr."
    }
];

const quote = document.querySelector("#quote span:first-child");
const author = document.querySelector("#quote span:last-child");

console.log(quotes[Math.floor(Math.random() * 10)]);

5. 배열의 길이 안에서 랜덤 시키기

quotes.js


const quotes = [
    {
        quote: "The only way to do great work is to love what you do.",
        author: "Steve Jobs"
    },
    {
        quote: "Life is what happens when you're busy making other plans.",
        author: "John Lennon"
    },
    {
        quote: "The purpose of our lives is to be happy.",
        author: "Dalai Lama"
    },
    {
        quote: "Get busy living or get busy dying.",
        author: "Stephen King"
    },
    {
        quote: "You have within you right now, everything you need to deal with whatever the world can throw at you.",
        author: "Brian Tracy"
    },
    {
        quote: "Believe you can and you're halfway there.",
        author: "Theodore Roosevelt"
    },
    {
        quote: "The best way to predict the future is to invent it.",
        author: "Alan Kay"
    },
    {
        quote: "Your time is limited, don't waste it living someone else's life.",
        author: "Steve Jobs"
    },
    {
        quote: "If life were predictable it would cease to be life, and be without flavor.",
        author: "Eleanor Roosevelt"
    },
    {
        quote: "In the end, we will remember not the words of our enemies, but the silence of our friends.",
        author: "Martin Luther King Jr."
    }
];

const quote = document.querySelector("#quote span:first-child");
const author = document.querySelector("#quote span:last-child");

console.log(quotes[Math.floor(Math.random() * quotes.length)]);

화면에 랜덤으로 명언 표시하기

quotes.js


const quotes = [
    {
        quote: "The only way to do great work is to love what you do.",
        author: "Steve Jobs"
    },
    {
        quote: "Life is what happens when you're busy making other plans.",
        author: "John Lennon"
    },
    {
        quote: "The purpose of our lives is to be happy.",
        author: "Dalai Lama"
    },
    {
        quote: "Get busy living or get busy dying.",
        author: "Stephen King"
    },
    {
        quote: "You have within you right now, everything you need to deal with whatever the world can throw at you.",
        author: "Brian Tracy"
    },
    {
        quote: "Believe you can and you're halfway there.",
        author: "Theodore Roosevelt"
    },
    {
        quote: "The best way to predict the future is to invent it.",
        author: "Alan Kay"
    },
    {
        quote: "Your time is limited, don't waste it living someone else's life.",
        author: "Steve Jobs"
    },
    {
        quote: "If life were predictable it would cease to be life, and be without flavor.",
        author: "Eleanor Roosevelt"
    },
    {
        quote: "In the end, we will remember not the words of our enemies, but the silence of our friends.",
        author: "Martin Luther King Jr."
    }
];

const quote = document.querySelector("#quote span:first-child");
const author = document.querySelector("#quote span:last-child");

const todayQuote = quotes[Math.floor(Math.random() * quotes.length)];

quote.innerText = todayQuote.quote;
author.innerText = todayQuote.author;

See more posts

바닐라 JS) 15. 랜덤 명언 만들기

1. 명언 배열에서 가져오기

2. 난수 생성하기

4. random으로 명언 조회하기

5. 배열의 길이 안에서 랜덤 시키기

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