jquery implements element Adaptive horizontal vertical Centering

(function ($) {$.fn.vhalign = function () {return This.each (function (i) {//Gets the content height of the elementvar h = Math.ceil ($ (this). Height ());//outerheight=padding+border+heightvar oh = Math.ceil ($ (this). Outerheight ());//Get Margin-top valuevar mt = Math.ceil (OH/2);//Get element widthvar w = Math.ceil ($ (this). width ());//outerwidth=padding+border+widthvar ow = Math.ceil ($ (this). Outerwidth ());//Get Margin-leftvar ml = Math.ceil (OW/2);//Implement element centering effect$ (this). css ({" margin-top": "-" + MT + "px"," Top": "50%","Margin-left": "-" + ml + "px","Left ": "50%","width": w,"height": H," position": "Absolute "            });         });    };}) (jQuery);

jquery implements element Adaptive horizontal vertical Centering