Function drawvisible

explainshell/web/static/js/es.js:1144–1166

()

}

function drawvisible() {
    let viewtop = window.scrollY;
    const viewbottom = viewtop + window.innerHeight,
        topspace = 80;

    viewtop += topspace;

    const visible = Array.from(
        document.querySelectorAll('#help .help-box'),
    ).filter(
        (el) => el.offsetParent !== null && inview(viewtop, viewbottom, el),
    );

    if (visible.length > 0) {
        const commandselector = optionsselector(
            $(visible),
            currentgroup.commandselector,
        );
        drawgrouplines(commandselector, { topheight: 50, hidepres: false });
    } else {
        clear();
    }
}

function draw() {
    if (affixon()) drawvisible();