JavaScript 复制所选文字

Posted 2021-05-20

function getSelectedText(){
  if (window.getSelection){
    txt = window.getSelection();
  }
  else if (document.getSelection) {
    txt = document.getSelection();
  }
  else if (document.selection){
    txt = document.selection.createRange().text;
  }
  else return;
  return txt;
}