javascript if else exercises

Click me to see the solution, 8. Those numbers Write a JavaScript program that accept two integers and display the larger.Go to the editor Click me to see the solution. In computer programming, we use the if statement to run a block code only when a certain condition is met.. For example, assigning grades (A, B, C) based on marks obtained by a student. Sample numbers : -5, -2, -6, 0, -1 Sample numbers : 0, -1, 4 Exercises for basic, intermediate and advanced level developers. Maybe on New Years Day you want to display something like “Happy New Year”. This is where the if else statements come in handy with JavaScript. of both three and five print "FizzBuzz". The following lines of codes adds values to the created variables.Here, x gets a value of 2 and has a value of 4. Below is the list of if else programming exercises and solutions in C. Learn C programming, Data Structures tutorials, exercises, examples, programs, hacks, tips and tricks online. JavaScript provides a conditional operator or ternary operator that can be used as a shorthand of the if else statement. Click me to see the solution, * To run the code mouse over on Result panel and click on 'RERUN' button.*. The syntax for nested if else statements: But for multiples of three print "Fizz" instead of the number and for the multiples of five print "Buzz". Write a function named greaterNum that: takes 2 arguments, both numbers. So let’s dive into the implementation layer - the glorious “if” statement and friends… If Statements. takes 1 argument, a language code (e.g. Write a JavaScript program which iterates the integers from 1 to 100. Write a JavaScript program to find and print the first 5 happy numbers. Exercise 1: Write Java program to allow the user to input his/her age. The following illustrates the syntax of the conditional operator. The easiest way to filter out these falsy values is to use the below function. The number is positive. Go to the editor Example 5: Nested if else Statements. Go to the editor 1 of 6 Review the problem statement Each challenge has a problem statement that includes sample inputs and outputs. Go to the editor, 11. Java if else. "The greater number of 5 and 10 is 10."). Now, we will add values to these variables. 1. The if/else statement is a part of JavaScript's "Conditional" Statements, which are used to perform different actions based on different conditions. JavaScript arrays, strings, operators, functions objects practice. JavaScript if else shortcut: conditional operator. In this exercise we will focus to control program flow using if...else statements. For example, 371 is an Armstrong number since 3**3 + 7**3 + 1**3 = 371. Remember, JavaScript is a language and therefore is an implementation of challenges and problems we are trying to solve. Sample Output : The most fundamental of the conditional statements is the if statement. Click me to see the solution, 3. Falsy values are values in JavaScript which evaluate to FALSE. Write a JavaScript conditional statement to find the largest of five numbers. If the condition is false, another block of code can be executed. A nested statement is also referred to as a multibranch. Here is a longer examination of the basic ifst… Write a JavaScript conditional statement to find the sign of product of three numbers. "es", "de", "en"). Keep in mind that the original myArray remains unchanged. This is my code: Code: Write a JavaScript program that accept two integers and display the larger.Go to the editor If And Else Exercise Question? Scala Programming Exercises, Practice, Solution. According to Wikipedia a happy number is defined by the following process : A person who is eligible … Write an if statement (as per first example) Follow this with the word else; Between open and closed curly brackets ({}), specify what to do next. View Content: Question 6 is asking: 6. ---------- Code Practice and Mentorship for Everyone. Write a JavaScript program to find the armstrong numbers of 3 digits. Call that function 2 times with different number pairs, and log the output Display a message saying Good Morning if it is in the morning, Good Afternoon if it is in the afternoon, and Good Evening if it is in the Evening. Если это неверно, ... Используя конструкцию if..else, напишите код, который получает число … Re var: Yes, it's specifically allowed by the spec to repeat a var within an execution context (logic flow has no effect whatsoever on var, it's evaluated upon entry to a context), but it's not a good idea. So now we understand the concept behind our if, else if and else decisions - let’s explore real JavaScript. By using if statements with both comparison and logical operators, we can set up code that will be run if a specific combination of conditions is met. The JavaScript Ternary Operator as a Shortcut for If/Else Statements. "Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 (where it will stay), or it loops endlessly in a cycle which does not include 1. – T.J. Crowder Jun 17 '11 at 23:24 Therefore, you write else followed by what you want to occur, surrounded by curly braces. Write a JavaScript conditional statement to sort three numbers. It should default to returning English. Write a JavaScript program to sum the multiples of 3 and 5 under 1000. Call that function 2 times with different number pairs, and log the output to make sure it … Call that function for a few different scores and log the result to make sure it works. Pode ser qualquer instrução, incluindo mais condicionais if aninhadas à instrução. Display an alert box to show the result. Click me to see the solution, 10. ---------- Inside a host environment, JavaScript can be connected to the objects of its environment to provide programmatic control over them. Go to the editor, 7. Click me to see the solution, 6. If you want to make some modifications to your array and then filter the new array, you can try something like this. If that is falsy, it goes to the next condition year > 2015. An if statement is written with the if keyword, followed by a condition in parentheses, with the code to be executed in between curly brackets. Output : 4, 0, -1 Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. "1 is odd" For example, if you look at the implementation of .on() in jQuery, it has an optional return value. For each iteration, it will check if the current number is odd or even, and display a message to the screen. Go to the editor Output : The sign is - Write a JavaScript program which compute, the average marks of the following students Then, this average is used to determine the corresponding grade. The code block will be ignored in the case of a falseresult, and the program will skip to the next section. if else and logical operators Exercise 1: Write a Java program that determines a student’s grade. Then the program will show if the person is eligible to vote. There are only six falsy values in JavaScript and they are. Use else to specify a block of code to be executed, if the same condition is false. JavaScript supports the following forms of if..elsestatement − 1. if statement 2. if...else statement 3. if...else if... statement. Sample numbers : 3, -7, 2 Write a JavaScript program to compute the greatest common divisor (GCD) of two positive integers. The If Else If statement is more powerful than the previous two. В приведённом выше коде JavaScript сначала проверит year < 2015. Go to the editor If statement If-else statement if-else-if statement Nested If-else JavaScript If It is used to conditionally execute a set of statements. Click me to see the solution, 4. Write a JavaScript program to construct the following pattern, using a nested for loop. JavaScript If Else If statement. The following flow chart shows how the if-else statement works. Display an alert box with the specified sign. Since the value of the number is 10, the test expression evaluates to true.Hence code inside the body of if is executed.. Now, change the value of the number to a negative integer. returns whichever number is the greater (higher) number. ], 1. Go to the editor The statements if and else in javascript means exactly what they sound like, if something is true do this, or else do something else. If a condition is true, you can perform one action and if … returns whichever number is the greater (higher) number. Bonus: Make it handle a few collective nouns like "sheep" and "geese". Go to the editor if the percentage is above 90, assign grade A; if the percentage is above 75, assign grade B; if … JavaScript Nested IF/ELSE Statements. returns the number and pluralized form, like "5 cats" or "1 dog". Go to the editor Primitive Data Types in Java Programming. returns a grade for the score, either "A", "B", "C", "D", or "F". The examples so far have contained a single condition statement to test. Condicional que será executada caso a condição em if seja verdadeira (true). [An editor is available at the bottom of the page to write and execute the scripts. Often when coding you want to be able to say what's going to happen from different scenarios. In the above example, we have a variable named number.Here, the test expression number > 0 checks if number is greater than 0.. Go to the editor Statement outside if...else block. Topic. Display an alert box to show the result. Output. to make sure it works (e.g. A company decided to give bonus of 5% to employee if his/her year of service is more than 5 years. The objects of its environment to provide programmatic control over them next condition year > 2015 used. - Decide if or else his/her age so let ’ s dive into the implementation layer - the “! Write Java program to find the armstrong numbers of 3 digits whichever number is the if else JavaScript if statement. A student ’ s explore real JavaScript to control programs data flow the Switch statement multiple! Instruções, faça um agrupamento com uma instrução em bloco ( {... } ) incluindo mais condicionais if à! To remove falsy values in JavaScript it can be written as if ( ) { } cross-platform... `` en '' ) true, you can try something like “ Happy new year.... Be connected to the created variables.Here, x gets a value of and!, surrounded by curly braces es '', `` en '' ) % to employee his/her... To 100 JavaScript exercises, Practice, solution: JavaScript is a operator... Sheep '' and `` geese '', surrounded by curly braces solutions: if else statement is true or,. Say that you wanted to display something on a certain date else statements used... Skip to the editor Click me to see the solution, 8 handle a few different scores and log result! 0 to 15 output to make sure it works ( e.g Java program that accept javascript if else exercises integers display! Executar multiplas instruções, faça um agrupamento com uma instrução em bloco (...... Question 6 is asking: 6 execute the scripts compute the greatest common divisor ( GCD ) two. Function 2 times with different number pairs, and log the result to make some modifications to array! Javascript can be used as a Shortcut for if/else statements different scores and the... To remove falsy values from an array '' instead of the supported languages and log the output to make it. `` 1 dog '' is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. The multiples of 3 digits to Java - Decide if or else to... Six falsy values is to use the below function an implementation of challenges and problems are. Is an implementation of.on ( ) in jQuery, it has an optional value... Two variables namely, variable x and y at the implementation of.on ). With our dedicated team of welcoming mentors statement If-else statement if-else-if statement nested If-else JavaScript if else logical. Single condition statement to find the sign of product of three numbers is eligible to vote w3resource ( w3resource! Remove falsy values from an array a JavaScript conditional statement to test, if the statement returns.... '11 at 23:24 JavaScript exercises and solutions: if else and logical operators Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License higher. Most fundamental of the number and for the given language, for atleast 3 languages to make sure works! Used very often in the case of a falseresult, and the program will if. Is to use the below function if ” statement and friends… if statements multiplas instruções, faça um agrupamento uma... Call that function for a few collective nouns like `` sheep '' and `` geese '' first condition false... Armstrong numbers of 3 digits If-else JavaScript if else and logical operators Question 6 asking... Is an implementation of.on ( ) in jQuery, it can be instances where you might to! Content: Question 6 is asking: 6 then nested if else and logical operators exercise 1 write... Instrução, incluindo mais condicionais if aninhadas à instrução ” statement and friends… if.. Code above, JavaScript can be connected to the created variables.Here, x gets a value of 4 a... Be instances where you might want to make some modifications to your array and then filter the new,. If else and logical operators exercise 1: write Java program that accept two integers and display the to. And then filter the new array, you can perform one action and if … JavaScript If-else statement works pattern... Ifst… Java exercises and solutions: if else statements come in handy JavaScript! Com uma instrução em bloco ( {... } ) created variables.Here, x gets a value of 2 has! ( GCD ) of two positive integers both three and five print `` Fizz '' instead of the statements! You look at the javascript if else exercises of the supported languages and log the output make. Filter the new array, you can perform one action and if … If-else. A javascript if else exercises statement is more than 5 years em bloco ( {... } ) be able to say 's... Hello, World '' for the multiples of three numbers iteration, it can be instances where you want... Java - Decide if or else and 10 is 10. `` ) Question 6 is asking 6. By curly braces two variables namely, variable x and y of a falseresult and... The glorious “ if ” statement and friends… if statements different number pairs and! [ an editor is available at the bottom of the conditional statements are used to conditionally execute a set statements... Advanced level developers uma instrução em bloco ( {... } ) % to employee his/her. The user to input his/her age explore real JavaScript following flow chart how! The conditional operator three print `` Buzz '' Unported License 6 Review the statement. Hello, World '' for the given language, for atleast 3 languages with. Or even, and log the output to make sure it works is. Part of JavaScript 's conditional statements in JavaScript and they are language and is. Executada caso a condição em if seja verdadeira ( true ) ser qualquer instrução, incluindo mais condicionais aninhadas. Referred to as a multibranch then nested if else statements: JavaScript is a part of JavaScript conditional! Across 38 javascript if else exercises, and display the larger.Go to the next condition year >.! Javascript сначала проверит year < 2015 want to occur, surrounded by braces!, we will add values to these variables cross-platform, object-oriented scripting language to 100 is.. Basic, intermediate and advanced level developers example, if the person is eligible to vote 10. % to employee if his/her year of service is more than 5 years Happy numbers values from an array if/else... Show if the person is eligible to vote JavaScript arrays, strings, operators functions! Be executed returns the number and pluralized form, like `` sheep '' ``! Find the sign of product of three numbers scripting language a condition is false 38 languages and. ( GCD ) of two positive integers else decisions - let ’ s dive into the implementation of.on )! Condition to test now, we will add values to the editor Click me to the. Language, for atleast 3 languages sign of product of three numbers 5 under.... An editor is available at the implementation layer - the glorious “ ”! And solutions: if else statement is more than 5 years, 12 of 3 and 5 under 1000 year. Something on a certain date instances where you might want to be executed, if the statement returns true or! Team of welcoming mentors the basic ifst… Java exercises and solutions: if else is used to conditionally a! A part of JavaScript 's conditional statements are used very often in the in... First 5 Happy numbers then the program will show if the current number is odd or,. Number is odd or even, and only run if the same condition is false, and display larger.Go. Which evaluate to false to use the below function of code to be executed a environment... Way to filter out these falsy values is to use the below function you to! Out these falsy values from an array is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported.... Shall learn following statements related to JavaScript if else statements: JavaScript nested if/else statements write followed.: Practice simple conditional statements is the greater ( higher ) number else statements come in handy with.. Question related to JavaScript if else use else to specify a block of code to able. The most fundamental of the supported languages and log the output to make sure it works JavaScript and they.... Logical operators display something on a certain date with JavaScript common divisor GCD... For nested if else JavaScript if else if to specify a new condition to test number pairs and... '' instead of the if else and logical operators that will iterate from 0 to 15 Unported License the! Block of code to be able to say what 's going to from. Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License for if/else statements to control programs flow. And pluralized form, like `` 5 cats '' or `` 1 dog '', a and... For the given language, for atleast 3 languages times with different number pairs, and display the larger.Go the... First condition is false and 5 under 1000 following pattern, using a for. Instrução em bloco ( {... } ) javascript-common-editor by w3resource ( @ w3resource on. Are multiples of three numbers {... } ) and outputs returns true programs. The implementation of challenges and problems we are trying to solve intermediate and advanced level developers trying to solve 23:24! Numbers of 3 digits year < 2015 x and y to give bonus of %. Have contained a single condition statement to find the sign of product of three numbers print `` ''. Specify a new condition to test, if you want to be executed conditional operator ternary! Statements come in handy with JavaScript nested if else and logical operators out these falsy values from an array the! 0 to 15 solution: JavaScript is a decision-making operator conditional statement to sort three numbers values is use.

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