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作者 LPH66 在 PTT [ Ajax ] 看板的留言(推文), 共321則
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9F→:這種寫法看起來很像是 hook ?09/28 13:59
3F推:如果單純想排除半形 ascii 字元的話 regexp 改成 /[ -~]/09/18 16:52
4F→:旗標自己加 這個 regexp 會抓住一個 ASCII 範圍從空格 (32)09/18 16:53
5F→:到 ~ (126) 的字 這之中包含的是半形 ascii 字元09/18 16:54
2F推://@ 是特殊註解 把 @ 刪掉就好08/24 19:07
1F推:先離個題, 大寫 E 可以改文, 在一行最後請 Ctrl-C 結束色碼08/23 02:02
2F→:你的問題 單寫 newPhoto.src 誰會知道你的 newPhoto 是什麼08/23 02:03
3F→:new Image() 就是產生一個 Image 出來 再用 = 放進newPhoto08/23 02:04
4F→:這樣後面 newPhoto.src 才知道要怎麼做事08/23 02:04
13F推:Math 裡面的東西等到你要用到時再來裡面查有沒有就好08/06 23:16
14F→:不需要從 a 開始一個一個搞懂那是什麼數學函數08/06 23:17
15F→:有些常用的倒是可以記一記 例如 Math.floor 是捨去小數08/06 23:17
16F→:Math.pow 是做次方 等等08/06 23:18
1F推:剛剛在 jsfiddle 試了下: function(){}() 這樣好像不合語法04/10 11:51
2F→:所以才要包 () 變成一個運算式後才能呼叫 (的樣子)04/10 11:52
2F推:順帶解釋一下你的<meta>無用的原因: <meta> 是寫在 HTML 裡03/28 16:12
3F→:所以只對 HTML 有用, 不過圖片不能像這樣寫 meta03/28 16:13
4F→:而得要由伺服器方設定才行; 因此加亂數其實就是騙伺服器說03/28 16:13
5F→:「這是不一樣的檔案喲」才能不讓伺服器去做快取相關的動作03/28 16:14
5F推:樓上那是 ajax 的吧 @@ 原 PO 要的是 client 端的執行時間12/14 22:18
4F推:基本上一樓那個才應該要得到 ['1','2','3','4']12/12 14:10
1F推:\uxxxx 其中 xxxx 是 16 進位數 例如 chr(20) => \u001410/22 18:19