摘要：
We often see circular dependency, why it's a problem, why we should avoid it and hwo to avoid it? Let's see any example first // main.js import A from 阅读全文
摘要：
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"/> <title>CSS avatar scale</title> <style> .avatar { width: 150px; height: 150px; backgro 阅读全文