❮ Previous Next ❯ Show Ternary OperatorThe ternary operator is a simplified conditional operator like Syntax: Here is an example using Before:
Try it Yourself » Here is the same example using a ternary operator: With Ternary
Try it Yourself » Test Yourself With ExercisesExercise:Complete this ternary operator statement. blue renderBlue() renderRed(); Start the Exercise ❮ Previous Next ❯ Educative Answers Team The conditional ternary operator
assigns a value to a variable based on some condition. It is used in place of the
Syntax
ExampleThe code below uses the ternary operator to show a simple var grade; var marks = 43; if (marks < 30) { grade = 'Fail'; } else { grade = 'Pass'; } console.log(grade) Multiple Ternary operatorsIf we want to check multiple variations of the same test case, we can use multiple var grade; var marks = 68; if (marks < 30) { grade = 'Fail'; } else if (marks < 60) { grade = 'Pass' } else if (marks < 90) { grade = 'Distinction' } else { grade = 'High Distinction'; } console.log(grade) Multiple OperationsWe can also perform more than one operation for a ternary operator, but the commands must be separated with commas. First, the code below sets the value of the grade variable. Then, if the corresponding condition is fulfilled, it prints a message with that variable. var marks = 43 var grade; (marks < 30) ? (grade ='Fail', console.log("Better luck next time ")) : (grade ='Pass', console.log("Congratulations ")); console.log(grade) RELATED TAGS ternary javascript operator Copyright ©2022 Educative, Inc. All rights reserved One of the first things you are taught when learning to program is how to handle conditional logic with If you prefer to learn visually, check out the video version of this article.
What Is The Ternary Operator?You may be looking at the name ternary and wondering what the heck that means. I have to agree that the name ternary operator is a pretty poor name, but the reason for this name is because ternary means "composed of three parts" and the ternary operator is the only operator in JavaScript that has three parts to it. Let's take a quick look at the definition of the ternary operator to understand it in more depth. As you can see the ternary operator is composed of three distinct parts. The The The Finally, the
By combining that all together we can write the following By using the ternary operator we are able to write significantly shorter code without sacrificing readability of the overall code. This is an example of a good way to use the ternary operator. Pretty much anytime that you want to return either one value or another based on a true/false statement a ternary is a great choice. Unfortunately, many people use ternaries for much more than just this simple use case. Ternary Operator Common MistakesOne of the biggest mistakes I see developers make with the ternary operator is using it in place of an This code is not setting a variable or returning anything from the While this code may look fine, it is unnecessarily convoluted and makes understanding the flow of the program more difficult than a traditional Another rule I follow related to ternaries is that I never nest ternaries inside one another. Since ternaries can only execute
As you can see we wrapped a second ternary in parenthesis as the ConclusionTernary operator is a unique operator in JavaScript that allows you to drastically shorten Apa itu ternary Javascript?6. Opeartor Ternary pada Javascript
Operator ternary merupakan operator yang teridiri dari tiga bagian. Operator-operator sebelumnya hanya dua bagian saja, yaitu: bagian kiri dan kanan. Ini disebut operator binary. Sementara operator trinary ada bagian kiri, tengah, dan kanan.
Apa yang anda ketahui tentang operator ternary jelaskan beserta bentuk umumnya?Operator ternary adalah operator yang digunakan dalam operasi yang melibatkan tiga buah operand. Adapun operator yang digunakan untuk menyatakannya adalah operator "?:". Konsep yang mendasari operasi ini adalah sebuah percabangan (pemilihan) yang didasarkan atas kondisi tertentu.
|