function Resizepic () {
$ (' img '). each (function () {
var maxWidth = 450; Max width of picture
var maxheight = 750; Maximum height of picture
var ratio = 0; Zoom ratio
var width = $ (this). width (); Picture actual width
var height = $ (this). Height (); Picture actual height
Check to see if the picture is very wide
if (Width > maxWidth) {
Calculating the zoom ratio
Ratio = Maxwidth/width;
$ (this). CSS ("width", maxWidth); Set the actual display width
Height = height * ratio; Calculate the height of a scaled scale
$ (this). CSS ("height", height); Set the height of the proportional zoom
}
Check if the picture is super high
if (height > maxheight) {
Ratio = Maxheight/height;
$ (this). CSS ("height", maxheight); Setting the actual display height
width = width * ratio; Calculate the height of a scaled scale
$ (this). CSS ("width", width * ratio); Set the height of the proportional zoom
}
});
}
JS Dynamic set img Size