1
我有这样的javascript代码:querySelectorAll不伪类第n个最后的孩子一起
var fieldsets = document.querySelectorAll('fieldset:nth-last-child("-n+2")');
console.log('fieldsets' + fieldsets);
而且我有4个字段集
我得到这个错误在Chrome检查:
Uncaught SyntaxError: Failed to execute 'querySelectorAll' on 'Document': 'fieldset:nth-last-child("-n+2")' is not a valid selector.
我希望有人能帮忙! 谢谢:)!