JavaScript copy to clipboard function

copy-to-clipboard.js

function copyToClipboard(value) {
	var tbx = document.createElement('input')
	document.body.appendChild(tbx);
	tbx.value = value;
	tbx.focus();
	tbx.setSelectionRange(0, tbx.value.length);
	document.execCommand("copy");
	document.body.removeChild(tbx);
}

// usage:
// I tested it only with node-webkit
copyToClipboard('someValue');

// ressources used
// https://groups.google.com/forum/#!topic/node-webkit/1juFqJVPZRQ
// https://github.com/b1rdex/nw-contextmenu/blob/master/index.js
// https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement.setSelectionRange