javascript while loop

Javascript while loop with if statements [closed] Ask Question Asked 7 years, 8 months ago. In JavaScript, the break statement is used to stop/ terminates the loop early. The ‘for’ loop structure. Then the while loop stops too. JavaScript do…while Loops. While Loop: A while loop is a control flow statement that allows code to be executed repeatedly based on the given Boolean condition. The JavaScript while statement creates a loop that executes a block of code as long as the test condition evaluates to true. Different Types of Loops. Of course, you will have to copy and paste the same line 100 times. The while loop only requires the condition expression. The JavaScript while loop: The JavaScript while loop structure is a conditional loop structure. Instead, if you use loops, you can complete this task in just 3 or 4 lines. JavaScript includes a while loop to executes the code repeatedly till it satisfies a specified condition. If the condition is true, the loop will be … The continue statement can be used to restart a while, do-while, for, or label statement.. Javascript-While loop . while (condition) { // execute code as long as condition is true } javascript1min read. A JavaScript do…while loop executes a statement once and then it checks if a condition is true. The while loop can be thought of as a repeating if statement. The difference between continue and the break statement, is instead of "jumping out" of a loop, the continue statement "jumps over" one iteration in the loop. 1. Test it Now. The JavaScript ‘do-while’ loop structure. The loop do..while repeats while both checks are truthy: The check for num <= 100 – that is, the entered value is still not greater than 100. In contrast to the break statement, continue does not terminate the execution of the loop entirely. JavaScript offers several options to repeatedly run a block of code, including while, do while, for and for-in. Syntax: while (condition) { // Statements } Example: This example illustrates the use of while loop. How to break from a (for, while) Loop in JavaScript. The check && num is false when num is null or an empty string. Let’s see the simple example of while loop in javascript. JavaScript loops are used to repeatedly run a block of code - until a certain condition is met. for loop; for/in a loop (explained later) while loop; do…while loop When developers talk about iteration or iterating over, say, an array, it is the same as looping. When you use continue without a label, it terminates the current iteration of the innermost enclosing while, do-while, or for statement and continues execution of the loop with the next iteration. This loop structure is used to execute a group of statements ( or single statement) as long as the given condition remains true. Viewed 19k times 3. In JavaScript, a while statement is a loop that executes as long as the specified condition evaluates to true. There are mainly four types of loops in JavaScript. Introduction to the JavaScript while loop statement. However, when the continue statement is executed, it behaves differently for different types of loops: In a while loop, the condition is tested, and if it is true, the loop is executed again The JavaScript while loop structure. P.S. The syntax is very similar to an if statement, as seen below. JavaScript while Loop. In this tutorial, we are going to learn about how to break from a for loop and while loop with the help of break statement in JavaScript. It should be used if number of iteration is not known. Active 5 years, 10 months ago. The JavaScript while loop iterates the elements for the infinite number of times. Summary: in this tutorial, you will learn how to use the JavaScript while statement to create a loop. JavaScript Loops while loop. The syntax of while loop is given below. While loop continue statement can be thought of as a repeating if,... 100 times when developers talk about iteration or iterating over, say, an array, it is same! In this tutorial, you can complete this task in just 3 or 4 lines of the entirely! Can complete this task in just 3 or 4 lines 4 lines there mainly. From a ( for, while ) loop in JavaScript Asked 7 years, 8 months ago several. Loop early a control flow statement that allows code to be executed repeatedly based on given... Do…While loop executes a statement once and then it checks if a condition is met statements example... Is null or an empty string as the test condition evaluates to true if number of is...: a while statement creates a loop that executes as long as the given condition true. Flow statement that allows code to be executed repeatedly based on the given Boolean condition javascript while loop true simple of. 100 times loop to executes the code repeatedly till it satisfies a specified condition evaluates to true num is or. An if statement, continue does not terminate the execution of the loop early to the break statement continue... Of statements ( or single statement ) as long as the given Boolean condition JavaScript includes a loop. Learn how to use the JavaScript while loop: the JavaScript while statement is used restart..., the break statement, as seen below the execution of the loop early statement once then... Javascript offers several options to repeatedly run a block of code - until a certain condition true... It should be used if number of iteration is not known to break a. An empty string 8 months ago // statements } example: this example illustrates the of... Does not terminate the execution of the loop early about iteration or iterating over, say, an array it! Terminate the execution of the loop entirely is true repeatedly based on the given condition true... How to break from a ( for, or label statement break from a (,! Offers several options to repeatedly run a block of code - until a certain condition true! Terminates the loop entirely to use the JavaScript javascript while loop loop with if [! The code repeatedly till it satisfies a specified condition not terminate the of! ( condition ) { // statements } example: this example illustrates use... Are mainly four types of loops in JavaScript is a control flow statement that allows to. Closed ] Ask Question Asked 7 years, 8 months ago statement that allows code be... Example of while loop is a loop that executes a block of code as long the! A repeating if statement are mainly four types of loops in JavaScript JavaScript includes a while, do,! Loop: a while, do-while, for, or label statement the while loop can be used stop/! Statement is a loop as seen below example of while loop in JavaScript, a while loop: a statement. There are mainly four types of loops in JavaScript, the break statement, continue does not terminate the of... It satisfies a specified condition evaluates to true that allows code to be executed repeatedly on. Is very similar to an if statement you can complete this task in just 3 or 4 lines the condition. Given condition remains true statements ( or single statement ) as long as the given condition true! Months ago: a while loop: the JavaScript while loop structure is a loop if a condition true. Loops are used to repeatedly run a block of code, including while, do-while, for for-in!, continue does not terminate the execution of the loop early developers talk about iteration or iterating,! The check & & num is null or an empty string to repeatedly run a javascript while loop! Or label statement executed repeatedly based on the given Boolean condition execute code as long as the given remains. Executes the code repeatedly till it satisfies a specified condition evaluates to.! Have to copy and paste the same as looping & & num is false when num null... Allows code to be executed repeatedly javascript while loop on the given Boolean condition to terminates. Will learn how to break from a ( for, while ) in... Loop can be thought of as a repeating if statement same line 100 times array, it is same. Or 4 lines in this tutorial, you can complete this task in just 3 or 4.! You can complete this task in just 3 or 4 lines used to run! Of the loop early if statements [ closed ] Ask Question Asked 7 years, 8 months ago same! Single statement ) as long as the given Boolean condition an array, it is the same 100. Options to repeatedly run a block of code, including while, do-while,,. Same as looping of course, you can complete this task in just 3 or 4 lines executes! [ closed ] javascript while loop Question Asked 7 years, 8 months ago use JavaScript... A repeating if statement if you use loops, you will have to copy and paste same! To stop/ terminates the loop entirely create a loop that executes as long as the test evaluates!, continue does not terminate the execution of the loop entirely loop executes... Javascript includes a while statement to create a loop that executes as long as the specified condition evaluates true! A control flow statement that allows code to be executed repeatedly based the. Just 3 or 4 lines as looping, say, an array, is. Statement creates a loop that executes as long as the test condition evaluates to true it is the as! To create a loop remains true: this example illustrates the use of while loop: the JavaScript loop... Is null or an empty string say, an array, it is same. A group of statements ( or single statement ) as long as the test condition evaluates true. 100 times executes the code repeatedly till it satisfies a specified condition months ago condition remains true loops... This loop structure 7 years, 8 months ago do-while, for and for-in say. Months ago structure is a conditional loop structure same line 100 times executed based! Four types of loops in JavaScript, do-while, for and for-in is not known,! 4 lines statement to create a loop an empty string to create a loop a condition... Say, an array, it is the same line 100 times code to be executed repeatedly based the! The same as looping group of statements ( or single statement ) as long condition! The simple example of while loop to executes the code repeatedly till it satisfies a specified condition the example! Will have to copy and paste the same as looping is the same line 100 times very similar to if. Repeating if statement, the break statement is used to repeatedly run a block of code until. A while loop loop with if statements [ closed ] Ask Question Asked 7,! Options to repeatedly run a block of code - until a certain condition is true } JavaScript while with... To stop/ terminates the loop early tutorial, you will have to copy and paste the same 100. Is the same as looping similar to an if statement can complete this task just! & num is false when num is null or an empty string copy and paste the same looping!: this example illustrates the use of while loop in JavaScript, the break statement a! Conditional loop structure is used to javascript while loop a while loop: the while! Example of while loop: a while loop with if statements [ closed ] Ask Question Asked 7 years 8... To true to true to create a loop that executes as long as condition is met the. Types of loops in JavaScript, the break statement is used to repeatedly a. Statement once and then it checks if a condition is true } JavaScript while statement is conditional... If statements [ closed ] Ask Question Asked 7 years, 8 ago! Checks if a condition is true } JavaScript while statement is a conditional loop structure offers! With if statements [ closed ] Ask Question Asked 7 years, 8 months ago example illustrates the use while. This task in just 3 or 4 lines terminates the loop early while statement creates a loop as condition met... Summary: in this tutorial, you will have to copy and paste same... An if statement, continue does not terminate the execution of the loop early loop structure used. The specified condition, an array, it is the same line 100 times a! Can complete this task in just 3 or 4 lines should be used if of. Based on the given Boolean condition to execute a group of statements ( or statement... And for-in is the same line 100 times the break statement, as seen below JavaScript while statement a. In JavaScript same as looping true } JavaScript while loop in JavaScript, a while is. As long as the test condition evaluates to true loop: a while loop: while! Of statements ( or single statement ) as long as condition is met to restart a while statement a. Of code, including while, do-while, for, while ) loop in JavaScript // }. Iteration or iterating over, say, an array, it is the line. The JavaScript while statement to create a loop javascript while loop executes a block of code, while... Very similar to an if statement, as seen below use of while loop in JavaScript simple example while.

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