JS function to copy text in clipboard.

Copy text on clipboard

function copyText (text) {
    var div = document.getElementById('__special_copy_div'),
        saveSelection,
        selection,
        rng,
        i;

    if (!div) {
        div = document.createElement('pre');
        div.id = '__special_copy_div';
        div.style.opacity = 0;
        div.style.position = 'absolute';
        div.style.top = '-10000px';
        div.style.right = 0;
        document.body.appendChild(div);
    }
    div.innerText = text;

    if (document.createRange) {
        rng = document.createRange();
        rng.selectNodeContents(div);
        saveSelection = [];
        selection = window.getSelection();
        for (var i = 0; i < selection.rangeCount; i++) {
            saveSelection[i] = selection.getRangeAt(i);
        }
        window.getSelection().removeAllRanges();
        window.getSelection().addRange(rng);
    } else {
        return alert('Copy not work. :(');
    }
};