jQuery only works partly with IE

I am attempting to utilize jQuery to modify some css styles when the screen size is smaller than a specific threshold (essentially, recreating "@media screen and (max-width: 1024px)", but with consideration for older versions of IE that do not support this). I have encountered an issue where this functionality is not working as expected in Internet Explorer.

The css modifications are functioning properly in all browsers except for IE. It seems to be working only partially in IE, where some css changes are applied correctly, while others do not reflect on the page, although the console logs show that the values have been changed.

Below is the code snippet:

$(window).resize(function () {
        if ($(window).width() <= 1154) {
            $(".a").css("display", "none");
            $(".b").css("right", "0px");
        } else {
            $(".a").css("display", "inline");
            $(".b").each(
                function (itemIndex, item) {
                    var a = $(item).parents(".c").children(".a");
                    $(item).css("right", a.css("width"));
                }
            );
        }
    });

The purpose of this code is to hide elements with the class "a" when the screen is smaller and adjust elements with the class "b" to occupy the space left by the hidden elements "a".

While "a" elements are hidden correctly in all browsers, in certain versions of IE (specifically 9 and earlier), the "right" property of "b" elements is not set accurately and doesn't seem to update. However, when logging the element id (each "b" has a unique id) and the "right" property after each change, unexpected results are observed. The resize event appears to be triggered twice whenever the screen size changes (maximizing/unmaximizing), resulting in a misleading behavior of the "right" property.

setting b0 right=0px ... Actual value: 0px 
setting b0 right=0px ... Actual value: 0px 
setting b0 right=180px ... Actual value: 0px 
setting b0 right=180px ... Actual value: 180px 
setting b0 right=0px ... Actual value: 0px 
setting b0 right=0px ... Actual value: 0px 
setting b0 right=180px ... Actual value: 0px 
setting b0 right=180px ... Actual value: 180px

Furthermore, when inspecting the "right" properties in the HTML tab, it consistently displays 180, despite the discrepancies observed.

Thank you in advance for any assistance you can provide!

Answer №1

After reading through your detailed description and code snippets, I have consolidated my comments into this answer:

In addition to providing a thorough explanation and code samples, consider including a JSFiddle link to isolate specific issues and make it easier for others to assist you. This is a valuable practice that can streamline the troubleshooting process and provide easy access to your code.

Regarding the main topic:

When working with libraries, it is crucial to address compatibility issues related to your target platform(s), especially when dealing with older versions or Internet Explorer.

For example, jQuery 2.x has the same API as jQuery 1.x but does not support Internet Explorer 6, 7, or 8. While this may not have caused the current issue, it could have played a role.

As you discovered while experimenting with your code, the problem appeared to be related to a specific IE CSS expression. It is worth noting that using CSS expressions should be avoided whenever possible, as they have been deprecated since IE8 and are no longer supported. Many experts consider them a security and performance risk.

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