function copy(text){
    const parent = text.parentElement
    const code = parent.querySelector('code');
    const range = document.createRange();
    range.selectNode(code);
    window.getSelection().removeAllRanges();
    window.getSelection().addRange(range);
    if (!navigator.clipboard){
        document.execCommand('copy');
    } else {
        try {
            navigator.clipboard.writeText(range.toString())
        } catch (error){}
    }
}

document.addEventListener("DOMContentLoaded", function () {
    document.querySelectorAll("pre.highlight").forEach(function (element) {
        let icon = document.createElement("i");
        icon.className = "bi bi-copy copy_btn";
        icon.title = "Copy code";
        icon.setAttribute("onclick", "copy(this)");
        element.prepend(icon);
    });

    document.getElementById("current-year").textContent = new Date().getFullYear().toString();
});