ESPEasy/static/github_clipboard.js

function setGithubClipboard() {
    var clipboard = 'ESP Easy | Information |\n -----|-----|\n';
    const max_loop = 100;
    for (var i = 1; i < max_loop; i++) {
        var cur_id = 'copyText_' + i;
        var test = document.getElementById(cur_id);
        if (!test) {
            i = max_loop + 1;
        } else {
            var separatorSymbol = '|';
            if (i % 2 == 0) {
                separatorSymbol += '\n'
            }
            // collect only visible log entry divs
            const visibleLines = Array.from(test.children)
                .filter(div => div.offsetParent !== null) // visible only
                .map(div => div.innerHTML);

            if (visibleLines.length > 0) {
                clipboard +=
                    visibleLines.join('\n').replace(/<[Bb][Rr]\s*\/?>/gim, '\n') +
                    separatorSymbol;
            }
        }
    }
    clipboard = clipboard.replace(/<\/[Dd][Ii][Vv]\s*\/?>/gim, '\n');
    clipboard = clipboard.replace(/<[^>]*>/gim, '');
    var tempInput = document.createElement('textarea');
    tempInput.style = 'position: absolute;left: -1000px; top: -1000px';
    tempInput.innerHTML = clipboard;
    document.body.appendChild(tempInput);
    tempInput.select();
    document.execCommand('copy');
    document.body.removeChild(tempInput);
    alert('Copied: "' + clipboard + '" to clipboard!');
}