ternary operator基于多个条件的例子:在以下的例子中,if-else-if语句会被ternary operator所取代 varuserInput = Number(prompt("Please enter a month number - 1, 2 or 3"));varmonthName = userInput == 1 ? "January" : userInput == 2 ? "February" : userInput == 3 ? "March" : "Unknown month number"; alert(monthName);
The ternary operator can be used in various programming contexts, such as assigning values to variables, determining the return value of a function, or specifying conditions in control flow statements. When should I use the ternary operator?
The ternary operator is the only operator in JavaScript that works with 3 operands, and it’s a short way to express conditionals.This is how it looks:<condition> ? <expression> : <expression>The condition <condition> is evaluated as a boolean, and upon the result, the operator runs the...
A ternary operator can be used to replace anif..elsestatement in certain situations. Before you learn about ternary operators, be sure to check theJavaScript if...else tutorial. What is a Ternary operator? A ternary operator evaluates a condition and executes a block of code based on the co...
condition1?value1:condition2?value2:value3 Now that you know that you can chain ternary operators in JavaScript let us show you a quick example. With this example, we create a variable called “a” and assign it the value35. We will use this variable in both of our conditions. ...
Yes, the ternary operator is a standard feature of JavaScript and is supported in all modern browsers. When should I avoid using the ternary operator? You should avoid using the ternary operator for complex conditions or when nesting multiple operators, as it can lead to less readable code. En...
Ternary operator instead of if...else The ternary operator can be used to replace certain types ofif...elsestatements. For example, You can replace this code // check the number is positive or negativeletnum =15varresult =""if(num >0) { ...
C# - Ternary Operator ?: Updated on: June 24, 2020C# includes a decision-making operator ?: which is called the conditional operator or ternary operator. It is the short form of the if else conditions. Syntax: condition ? statement 1 : statement 2...
In this example, we used the ternary operator as nested if-else, where we specified three operands with conditions. Ifx and y are equal, the operator will print the "This implies x and y are equal" statement in the first condition. ...
Flexibility:Supports nesting and complex conditions. Type Inference:Ensures type safety by requiring the same return type for both if and else blocks. Additional Considerations While the lack of a dedicated ternary operator might seem limiting to developers familiar with languages like C, JavaScript, ...