screen.height && screen.width

screen.height && screen.width

how to get window max width in js

screen.height;
screen.width;

https://*.com/questions/15327829/how-to-find-using-javascript-the-maximum-users-browser-window-width-and-current

1. mbp 2018
   
   

2. dell 2419HM

@media only screen and (max-width: 500px) {
  body {
    background: #000;
  }
}

https://css-tricks.com/css-media-queries/

CSS3 Media Queries

https://github.com/scottjehl/Respond

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clientHeight & clientWidth & offsetHeight & offsetWidth & outerWidth & innerWidth & outerWidth & outerHeight

https://www.cnblogs.com/xgqfrms/p/10076517.html