Untitled

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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>

</body>
<script>
    let variable = 17
    /*
        operadores logicos
        > mayor
        < menor
        == igual
        <= menor o igual
        >= mayor o igual
        !== distinto

    */
    if(variable >= 18){
        console.log("eres adulto")
    }
    //false
    if(variable <= 18){
        console.log("no eres adulto");
    }
    // true
    if(variable !== 18){
        console.log("tambien eres adulto")
    }

</script>
</html>