js click Copy

$ ( ' Body ' ) .on ( ' the Click ' , ' .btn-Copy ' , function () {
        // var Content = $ (the this) .data ( 'Content'); Data acquired value is an initial value changes back the initial value is acquired or not applicable 
        var Content = $ ( the this ) .attr ( ' Data-Content ' );
         IF (! Content) { 
            Content = $ ( the this .) .text () Replace (/ \ S / G, '' ); 
        } 
        IF (Content) { 
            $ ( ' body ' ) .append ( '<input type="text" class="copy-input" value="' + content + '"/>');
            $('body .copy-input:last')[0].select();
            if (document.execCommand('copy')) {
                Msg.Notify('复制成功');
            }
            $('body .copy-input').remove();
        }
    });

 

function copy(str) {
   console.log(str);
   function listener(e) {
     e.clipboardData.setData("text/html", str);
     e.clipboardData.setData("text/plain", str);
     e.preventDefault();
   }
   document.addEventListener("copy", listener);
   document.execCommand("copy");
   document.removeEventListener("copy", listener);
}