jQuery：.one（）在我的网站中不起作用

Question

I have this code for JQuery:-

$('.ro-news-n img').addClass('no-display');
$('.ro-news-n img').one('inview', function() {
$(this).addClass('appear');
});

This code for hide any image in class .ro-news-n and show it when scroll page down.

Its add class no-display for <img> attribute and when scroll its add appear class to show it.

The problem is when open site its add class no-display to <img> attribute. but when scroll its not add appear class to it.

why

Answer 1

尝试这个：

$(this).removeClass('no-display').addClass('appear');