复制 - 掘金

var copyDOM = document.querySelector('#url');
var range = document.createRange();
range.selectNode(copyDOM);
window.getSelection().addRange(range);
var successful = document.execCommand('copy');
try{
    var msg = successful ? 'successful' : 'unsuccessful';
    console.log('Copy email command was ' + msg);
}catch(err) {
    console.log('Oops, unable to copy');
}
window.getSelection().removeAllRanges();
$.toast("复制成功")
$(".mode").removeClass("active");