Copy all content from div

js.copy.all.inside.some.div.html

<div id="htmlcode" onclick="selectContent()">XXXXXXXXXXXXX</div>
<style>
function selectContent() {
    const node = document.getElementById('htmlcode')

    if (document.body.createTextRange) {
        const range = document.body.createTextRange()
        range.moveToElementText(node)
        range.select()
        document.execCommand('copy')
       alert("copied to clipboard: " + range)
     } else if (window.getSelection) {
        const selection = window.getSelection()
        const range = document.createRange()
        range.selectNodeContents(node)
        selection.removeAllRanges()
        selection.addRange(range)
        document.execCommand('copy')
       alert("copied to clipboard: " + range)
    } else {
        console.warn("Could not select content: Unsupported browser.")
    }
}
//in case of using a parameter to pass the eventListener
//const clickable = document.querySelector('htmlcode')
//clickable.addEventListener('click', () => selectContent('htmlcode'))

</style>