css scope

gosh! I need this, but it just applies on firefox....

https://www.w3schools.com/tags/att_style_scoped.asp



use iframe to do what I want(it;s not css scope)
https://stackoverflow.com/questions/26389092/scope-external-css-file-for-divno-css-file-should-link-only

jQuery库冲突

Q:
common.js 與jquery 衝突$符號

A:
https://api.jquery.com/jquery.noconflict/

javascript standard built in objects

標準內建物件

Detect Firefox versions in javascript

var isnotFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') == -1

Reference:
https://stackoverflow.com/questions/7000190/detect-all-firefox-versions-in-js