Js obtains the page window size and js obtains the window size.

Js obtains the page window size and js obtains the window size.
Function getWinSize (){

Var winWidth = null; // width
Var winHeight = null; // height

If (window. innerWidth)
WinWidth = window. innerWidth;
Else if (document. body & document. body. clientWidth)
WinWidth = document. body. clientWidth;


If (window. innerHeight)
WinHeight = window. innerHeight;
Else if (document. body & document. body. clientHeight)
WinHeight = document. body. clientHeight;

// Obtain the information on the go-to page.
If(document.doc umentElement & document.doc umentElement. clientWidth & document.doc umentElement. clientHeight ){

WinWidth = document.doc umentElement. clientWidth;
WinHeight = document.doc umentElement. clientHeight;
}

Return {width: winWidth, height: winHeight };
}