Introduction to the reasons why Jquery exception was thrown and not caught_jquery

This must be a problem with the js code being written incorrectly, please check carefully.

For example, I am

Copy the code The code is as follows:

$(this ).find("td").eq(9).find("select").eq(0).removeAttr("asd");
$(this).find("td").eq( 9).find("select").eq(0).attr("asd", i);

中

Copy Code The code is as follows:

find("select") is written as find(":select");