cqh

Description
Syntax
Examples
Links

Description

The cqh CSS unit specifies 1% of a container query’s height.

Syntax

<number>cqh

<!doctype html>
<html>
<head>
    <style>
        .myclass1
        {
            container-type: inline-size;
            display: flex;
            flex-wrap: wrap;
        }
        .myclass2
        {
            background-image: linear-gradient(135deg, white, lightgray);
            flex-grow: 1;
            min-height: 100px;
        }
        @container(width < 500px)
        {
            .myclass2
            {
                flex-basis: 100%;
            }
        }
    </style>
</head>
<body>
    <button onmouseover="myfunction(event)">initial</button>
    <button onmouseover="myfunction(event)">1cqh</button>
    <button onmouseover="myfunction(event)">2cqh</button>
    <button onmouseover="myfunction(event)">4cqh</button>
    <button onmouseover="myfunction(event)">8cqh</button>
    <button onmouseover="myfunction(event)">16cqh</button>
    <div class="myclass1">
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
    </div>
    <script>
        function myfunction(myparameter)
        {
            document.querySelector(".myclass1").style.fontSize = myparameter.target.innerHTML;
        }
    </script>
</body>
</html>

3 · JS · Internal

<!doctype html>
<html>
<head>
    <style>
        .myclass1
        {
            container-type: inline-size;
            display: flex;
            flex-wrap: wrap;
        }
        .myclass2
        {
            background-image: linear-gradient(135deg, white, lightgray);
            flex-grow: 1;
            min-height: 100px;
        }
        @container(width < 500px)
        {
            .myclass2
            {
                flex-basis: 100%;
            }
        }
    </style>
</head
<body>
    <button>initial</button>
    <button>1cqh</button>
    <button>2cqh</button>
    <button>4cqh</button>
    <button>8cqh</button>
    <button>16cqh</button>
    <div class="myclass1">
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
        <div class="myclass2">cqh</div>
    </div>
    <script>
        function myfunction(myparameter)
        {
            document.querySelector(".myclass1").style.fontSize = myparameter.target.innerHTML;
        }
        for(const mybutton of document.querySelectorAll("button"))
        {
            mybutton.addEventListener("mouseover", myfunction);
        }
    </script>
</body>
</html>