console 命令行工具 X clear

console

$("<button id='clickme'>clickme</button>").insertAfter( "#div" );
$("<textarea id='temptext'></textarea>").insertAfter( "#clickme" );
$("#temptext").css({"position": "fixed", "bottom": "0px", "left": "0px", "opacity": "0"});

setTimeout(function () {document.getElementById("clickme").click();}, 100);

$("#clickme").click(function(){
  var textToCopy = $('#div').text();
  $('#temptext').val(textToCopy);
  $('#temptext').select();
  document.execCommand('copy');                                     
});

<div id='div'>bl11saadasa bl4</div>