Inflearn-redux/without-redux.html at main · wldnfl/Inflearn-redux · GitHub

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<html>
<body>
    <style>
    .container {
        border : 5px solid black;
        padding : 10px;
    }

    </style>
    <div id="red"></div>
    <div id="green"></div>
    <div id="blue"></div>
    <script>
    function red() {
        document.querySelector('#red').innerHTML = `
        <div class="container" id="component_red">
            <h1>red</h1>
            <input type="button" value="fire" onclick="
            document.querySelector('#component_red').style.backgroundColor = 'red';
            document.querySelector('#component_green').style.backgroundColor = 'red';
            document.querySelector('#component_blue').style.backgroundColor = 'red';
            ">
        </div>
        `;
    }
    red();
    function green() {
        document.querySelector('#green').innerHTML = `
        <div class="container" id="component_green">
            <h1>green</h1>
            <input type="button" value="fire" onclick="
            document.querySelector('#component_green').style.backgroundColor = 'green';
            document.querySelector('#component_red').style.backgroundColor = 'green';
            document.querySelector('#component_blue').style.backgroundColor = 'green';
            ">
        </div>
        `;
    }
    green();
    function blue() {
        document.querySelector('#blue').innerHTML = `
        <div class="container" id="component_blue">
            <h1>blue</h1>
            <input type="button" value="fire" onclick="
            document.querySelector('#component_blue').style.backgroundColor = 'blue';
            document.querySelector('#component_red').style.backgroundColor = 'blue';
            document.querySelector('#component_green').style.backgroundColor = 'blue';
            ">
        </div>
        `;
    }
    blue();
    </script>
</body>
</html>