JavaScript if else Statement · let x = 25; if( x > 10 ) console. · if( condition ) { // statements } · if( condition ) { // statement } else { // statement (when ... ... <看更多>

Switch 的用法跟 if 、 else if 有點像，差別是 if 會把所有的程式碼都讀取過，相對渲染會比較慢，效能相對較低，而 Switch 會全部都讀過，但會只先看條件 ... ... <看更多>

If else else ifelseSupport by becoming a Member : https://www.youtube.com/channel/UC59K ... ... <看更多>

In JavaScript's if-then-else there is technically no elseif branch. ... In the first example we're using some implicit JS behavior about {} uses. ... <看更多>