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https://stackoverflow.com/questions/2363840/how-to-use-or-conditi...

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How to use OR condition in a JavaScript IF statement?

You may also want to filter an IF statement when condition1 equals 'something' AND condition2 equals 'another thing' OR 'something else'. You can do this by placing condition2 in another set of brackets eg...

https://www.delftstack.com/zh-tw/howto/javascript/javascript-or-c...

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JavaScript 使用 if 語句中的的 OR 條件 | D棧 - Delft Stack

使用 IF 語句的 JavaScript OR 條件示例下面的 HTML 原始碼顯示了一個表單輸入，我們將使用它從使用者那裡獲取輸入字串值，就像任何字母表一樣，還有一個按鈕提交，我們在點選時呼叫了 JavaScript 函式 checkVowel()。

https://www.w3schools.com/jsref/jsref_if.asp

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JavaScript if/else Statement - W3Schools

The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript's "Conditional" Statements, which are used to perform different actions

https://www.geeksforgeeks.org/or-logical-operator-in-javascript/

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OR(||) Logical Operator in JavaScript - GeeksforGeeks

The logical AND (&&) (logical conjunction) operator for a set of boolean operands will be true if and only if all the operands are true. Otherwise, it will be false. It's commonly used to combine conditions in conditional statements or to check multiple conditions

https://ithelp.ithome.com.tw/articles/10312930

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[快速入門前端 44] JavaScript：條件判斷 (1) if-else 語句 ...

if-else 在 if-else 條件判斷中，又依結構分為 if、if-else、和 if-elseif-else。 if 語句 if 語句在執行中，會先對括號中的條件表達式進行求值，若條件為 true，會執行後面區塊內 (大括號內) 的一行或多行程式，而若條件為 false 則跳過此區塊的程式繼續往下執行。

https://www.tutorialspoint.com/How-to-use-OR-condition-in-a-JavaS...

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Use OR Condition in a JavaScript IF Statement - Online Tutorials Library

To use OR condition in JavaScript IF statement, use the || operator i.e Logical OR operator. If any of the two operands are non-zero, then the condition becomes true. Here’s how you can use the operator || in JavaScript Example Live Demo

https://www.delftstack.com/zh/howto/javascript/javascript-or-cond...

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JavaScript 使用 if 语句中的的 OR 条件 | D栈 - Delft Stack

使用 IF 语句的 JavaScript OR 条件示例下面的 HTML 源代码显示了一个表单输入，我们将使用它从用户那里获取输入字符串值，就像任何字母表一样，还有一个按钮提交，我们在点击时调用了 JavaScript 函数 checkVowel()。

https://www.w3schools.com/js/js_if_else.asp

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JavaScript if, else, and else if - W3Schools

JavaScript, SQL, Python, PHP, Bootstrap, Java , XML and more. Tutorials Exercises Certificates Services Menu ... JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators ...

https://www.geeksforgeeks.org/conditional-statements-in-javascrip...

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JavaScript – Conditional Statements - GeeksforGeeks

The JavaScript switch statement evaluates an expression and executes a block of code based on matching cases. It provides an alternative to long if-else chains, improving readability and maintainability, especially when handling multiple conditional branches.Switch Statement Example: Here, we will p

https://www.delftstack.com/howto/javascript/javascript-or-conditi...

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JavaScript OR Condition in the if Statement - Delft Stack

JavaScript contains conditional statements like if else statement, switch cases, etc. These statements are conditional and use to check whether the given condition is True OR Not, for this we use OR || and && operators. In this HTML page source, we have created a form input type of text to get the alphabet from the user. ...

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