课程: Learning JavaScript Debugging

今天就学习课程吧！

今天就开通帐号，24,700 门业界名师课程任您挑！

Solution: Knowing when to stop

Solution: Knowing when to stop - JavaScript教程

课程: Learning JavaScript Debugging

开始一个月试用 购买团队方案

Solution: Knowing when to stop

“

(electronic music) - [Instructor] Here's one possible solution to this breakpoint challenge. Let's look at the checkout first. I'm going to open up my developer tools and here in the sources panel, this is conveniently opened up to the script block at the bottom of the file because I was already looking at it. And here is my event handler that's dealing with these close buttons. I'm using the element query selector here to grab the button close class, which if we inspect this element, I can right click and inspect that. I can see that both close button up in the corner and the close button down in the panel both have that same class. So the intention here was to grab either one of them and have them both use this same event handler. If I set a break point in here, this close button is caught by that handler. So that one definitely works as we can see. But if I open this again, I can click this as much as I want…

内容