return confirm javascript
<script> function ConfirmDelete() var x = confirm("Are you sure you want to delete?"); if (x) return true; else return false; } </script> <button Onclick="return ConfirmDelete();" type="submit" name="act, There's a typo in your code (the tag a is closed too early). You can either use: <a href="whatever" onclick="return confirm('are you sure?')"><img ...></a>. note the return (confirm): the value returned b, This is why you need to have the confirm only return false and not return when the value is true. Technically, it doesn't matter if it returns true or false, any return in this instance would have the effect of preventing the __doPostBack from being , The above updated to reduce space, though maintaining clarity/function: var aElems = document.getElementsByTagName('a'); for (var i = 0, len = aElems.length; i < len; i++) aElems[i].onclick = function() return confirm("Are you sure you , Write a new function void redirect(url) if (confirm('Are you sure you want to delete your post?')) window.location.href=url; } return false; }. then from your onclick onclick="redirect('<?php bloginfo('home'); ?>');&q, You need to use the return value: <a onclick="return askCar();" ... > Just having it inside the onclick will execute the function but to actually cancel the click, you need to use the return value. Also, the code can be slightly optimized,1, string jsScript1 = @"javascript:if(!confirm('確定要刪除嗎？'))return false;}";. 2, string jsScript2 = @"if(!confirm('真的要刪除嗎？'))return false;}";. 3, string jsScript3 = @"alert('刪除!')";. 4, this.Button1.Attr,1, function chk() . 2, if (confirm('是否繼續加入？')) . 3, return true;. 4, }. 5, else . 6, //取消要做的事. 7, }. 8, } ... 所以return confirm('');就是使用者按取消不執行按確定繼續. 本篇文章回覆於2015-04-29 16:19 ... 確定->看你的Button要做什麼或是JavaScript要做什麼取消->看你的JavaScript要做什麼. , ... 屬性加入JavaScript 的confirm 函式來處理。Button 控制項輸出到前端的HTML 碼時，會依UseSubmitBehavior 屬性值的True 或False 而有不同，而在處理詢問訊息時也會有差異。 在頁面上置放一個Button，UseSubmitBehavior 屬性值預設為True，將OnClientClick 屬性值設為"return confirm('確定執行嗎？');" 。,Return Value: A Boolean, indicating whether "OK" or "Cancel" was clicked in the dialog box: true - the user clicked "OK"; false - the user clicked "Cancel" (or the "x" (close) button in the top right corne
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 return confirm javascript 相關參考資料
javascript - How to show a confirm message before delete? - Stack ...
<script> function ConfirmDelete() var x = confirm("Are you sure you want to delete?"); if (x) return true; else return false; } </script> <button Onclick="return Confir... https://stackoverflow.com html - Simple JavaScript problem: onClick confirm not preventing ...
There's a typo in your code (the tag a is closed too early). You can either use: <a href="whatever" onclick="return confirm('are you sure?')"><img ...><... https://stackoverflow.com javascript - Confirm postback OnClientClick button ASP.NET - Stack ...
This is why you need to have the confirm only return false and not return when the value is true. Technically, it doesn't matter if it returns true or false, any return in this instance would hav... https://stackoverflow.com javascript - How to display a confirmation dialog when clicking an ...
The above updated to reduce space, though maintaining clarity/function: var aElems = document.getElementsByTagName('a'); for (var i = 0, len = aElems.length; i < len; i++) aElems[i].oncli... https://stackoverflow.com javascript - Using window.location and return confirm together ...
Write a new function void redirect(url) if (confirm('Are you sure you want to delete your post?')) window.location.href=url; } return false; }. then from your onclick onclick="redirect... https://stackoverflow.com javascript confirm function return false - Stack Overflow
You need to use the return value: <a onclick="return askCar();" ... > Just having it inside the onclick will execute the function but to actually cancel the click, you need to use the... https://stackoverflow.com 關於OnClientClick return confirm- 藍色小舖BlueShop
1, string jsScript1 = @"javascript:if(!confirm('確定要刪除嗎？'))return false;}";. 2, string jsScript2 = @"if(!confirm('真的要刪除嗎？'))return false;}";. 3, string jsScript3 = @... http://www.blueshop.com.tw return confirm 用法- 藍色小舖BlueShop
1, function chk() . 2, if (confirm('是否繼續加入？')) . 3, return true;. 4, }. 5, else . 6, //取消要做的事. 7, }. 8, } ... 所以return confirm('');就是使用者按取消不執行按確定繼續. 本篇文章回覆於2015-04-29 16:19 ... 確定->... https://www.blueshop.com.tw 按鈕加上詢問訊息| ASP.NET 魔法學院- 點部落
... 屬性加入JavaScript 的confirm 函式來處理。Button 控制項輸出到前端的HTML 碼時，會依UseSubmitBehavior 屬性值的True 或False 而有不同，而在處理詢問訊息時也會有差異。 在頁面上置放一個Button，UseSubmitBehavior 屬性值預設為True，將OnClientClick 屬性值設為"return confirm... https://dotblogs.com.tw Window confirm() Method - W3Schools
Return Value: A Boolean, indicating whether "OK" or "Cancel" was clicked in the dialog box: true - the user clicked "OK"; false - the user clicked "Cancel" (or ... https://www.w3schools.com |