jQuery扩展功能可过滤“不区分大小写”

Question

After search in jQuery functions I found .Contains() but it's not help me
I want make new function that can filter case-insensitive

Answer 1

这很容易！

jQuery.expr[':'].iContains = (a, b, c) => jQuery(a).text().toUpperCase().indexOf(c[3].toUpperCase()) >= 0;