jQuery 未捕获异常：语法错误，无法识别的表达式 [tabindex="something"]
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jQuery uncaught exception: syntax error, unrecognized expression [ tabindex="something"]
提问by IntricatePixels
All of a sudden some UI functionlities in our site are not working and I'm getting the error message:
突然之间，我们网站中的一些 UI 功能无法正常工作，我收到了错误消息：
jQuery uncaught exception: syntax error, unrecognized expression [ tabindex="something"]
jQuery 未捕获异常：语法错误，无法识别的表达式 [tabindex="something"]
THIS IS MY CODE:
这是我的代码：
var thumb_src = jQuery('a[name="thumb-image"] img[src*=' + sku + ']').attr('src');
jQuery( 'a[ tabindex=' + thumb_src + ']' ).prevAll().removeClass('selectedThumb');
jQuery( 'a[ tabindex=' + thumb_src + ']' ).addClass( 'selectedThumb' );
jQuery( 'a[ tabindex=' + thumb_src + ']' ).nextAll().removeClass('selectedThumb');
It was working fine until jQuery was upgraded to the latest and I believe that is the cause. Am I doing something illegal in the statements above? Thanks for any input or help on this!
它运行良好，直到 jQuery 升级到最新版本，我相信这就是原因。我在上面的陈述中做了什么违法的事情吗？感谢您对此提供任何意见或帮助！
回答by BoltClock
Most likely any .or /characters in your thumb_srcare breaking the attribute selectors in your last three lines as they are special CSS characters.
很可能您中的任何.或/字符thumb_src都破坏了最后三行中的属性选择器，因为它们是特殊的 CSS 字符。
Try the double quotes inside those selectors so they're taken literally (even though you really shouldn't be using anything but numeric values for tabindex):
尝试在这些选择器中使用双引号，以便按字面意思理解它们（即使您真的不应该使用除数字值之外的任何东西tabindex）：
jQuery('a[tabindex="' + thumb_src + '"]')
The API docssay that these quotes are mandatory in jQuery attribute selectors anyway.
该API文档说，这些报价都在jQuery的属性选择器的强制性反正。
回答by Naftali aka Neal
The attr()function was changed as of jQuery 1.6, use prop()instead:
该attr()函数从jQuery 1.6开始更改，请prop()改用：
var thumb_src = jQuery('a[name="thumb-image"] img[src*=' + sku + ']').prop('src');
See this question
看到这个问题
