[javascript] Copy text to clipboard function.js

var copyToClipboard = (function () {

    const textarea = document.createElement('textarea')
    // hide the textarea (since we can't use display: none, it's a bit long)
    textarea.style.opacity = 0
    textarea.style.width = 0
    textarea.style.height = 0
    textarea.style.position = 'absolute'
    textarea.style.bottom = '-100%'
    textarea.style.left = '-100%'
    textarea.style.margin = 0
    document.body.appendChild(textarea)

    return function (text) {
        textarea.value = text
        textarea.select()
        document.execCommand('copy')
    }
})()