SCROLL-SNAP-ALIGN

The scroll-snap-align property specifies the box's snap position as an alignment of its snap area within its snap container's snapport.

SYNTAX

CSS


            scroll-snap-align: value;

JS


            object.style.scrollSnapAlign = "value";

VALUES


            <'scroll-snap-align'> = [ none | start | end | center ]{1,2}


            none

This box does not define a snap position in the specified axis.


            start

Start alignment of this box's scroll snap area within the scroll container's snapport is a snap position in the specified axis.

end

End alignment of this box's scroll snap area within the scroll container's snapport is a snap position in the specified axis.


            center

Center alignment of this box's scroll snap area within the scroll container's snapport is a snap position in the specified axis.

INITIAL

none

EXAMPLES

NONE

START

END

CENTER

JS

<!doctype html>
<html>
<head>
    <style>
        #myid {
            display: grid;
            grid-template-columns: repeat(3, 75%);
            grid-template-rows: repeat(3, 75%);
            height: 50%;
            overflow: scroll;
            scroll-snap-type: both mandatory;
            width: 50%;
        }
        #myid > div {
            background-image: linear-gradient(135deg, white, gray);
        }
    </style>
    <script>
        function mouseover(value) {
            var elements = document.getElementById("myid").getElementsByTagName("div");
            for (var i = 0; elements.length; ++i) {
                elements[i].style.scrollSnapAlign = value;
            }
        }
    </script>
</head>
<body>
    <input onmouseover="mouseover(value)" type="button" value="none">
    <input onmouseover="mouseover(value)" type="button" value="start">
    <input onmouseover="mouseover(value)" type="button" value="end">
    <input onmouseover="mouseover(value)" type="button" value="center">
    <div id="myid">
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
        <div>scroll-snap-align</div>
    </div>
</body>
</html>