JS issue

payal14

Hi,

There is requirement that when user try to enter image size is other then 200x200 or 598x200 user should not be able to save the record.

So i have handled it in JS below is my code.
There is issue that some time wdith and height value return as 0 , so alert get poped up even image size browsed is correct.
Please suggest what should i do?

Code :

function getImgSize11(imgSrc)
{
var newImg = new Image();
alert("Image path::"+imgSrc);
newImg.src=imgSrc;
var height = newImg.height;
var width = newImg.width;
var size_return_val = true;
alert("width" + width + "and height" + height);
if((((width==200)&&(height==200))||((width==598)&&(height==200))) != true)
{
alert("Please select the Banner Image with pixel size 200W x 200H or 598W x 200H");
size_return_val = false;
}
return size_return_val;
}

RonaldV

I *think* it could be that the image can not be found at the src-location. Which could result in the height and width returning 0.

Anyway I think this is a scary method to determine the image-size. You are depending on a preview-webserver to return the requested image AND on that the image actually exists where the user says it is.

I would create a call-server for this and run the image-size check on the server. This is much more robust and can check whether the file exists as well.....