<span id="content">Ceci est le contenu à copier.</span>
    <button id="js_copy" data-element="content" class="btn text-white font-bold py-2 px-4 rounded">Copier</button>

function copy(element) {
    const preElement = document.getElementById(element)
    if (!preElement) {
        console.error('Élément non trouvé')
        return
    }
    
    const textToCopy = preElement.innerText
    const tempInput = document.createElement('textarea')
    tempInput.value = textToCopy
    document.body.appendChild(tempInput)
    tempInput.select()
    tempInput.setSelectionRange(0, 99999)
    document.execCommand('copy')
    document.body.removeChild(tempInput)
    
    alert("texte copié !")
}

document.getElementById('js_copy').addEventListener('click', function(e) {
    e.preventDefault()
    const id_element = e.target.getAttribute('data-element');
    copy(id_element)
})