The difference between showModalDialog and open March 4, 2010 Wolf Happy sharing 14328 times 8 Today, I was bored to death by a very annoying customer. A click on the link to pop up a window, which has been modified for a long time, and I was speechless. Later, I got it done. For code sharing, it is also recorded that open() has been used to open new windows in JS. ShowModalDialog() has almost been forgotten. ShowModalDialog is also three parameters like open, showModalDialog (file address, window, window attribute), ope... read the whole passage open showModalDialog code