检查弹出窗口是否已从父窗口打开？ [英] Check if popup window is already open from parent window?

问题描述

Check if popup window is already open from parent window?

推荐答案

var MyPopUp = false;
function OpenWindow(url){
  //checks to see if window is open
  if(MyPopUp && !MyPopUp.closed)
  {
    winPop.focus(); //If already Open Set focus
  }
  else
  {
    MyPopUp = window.open(url,"MyPopUp");//Open a new PopUp window
  }
}

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