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1 maj 2024 · The while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated before executing the statement.
7 wrz 2024 · Write a loop that will iterate through the people array. During each loop iteration, check if the current array item is equal to "Phil" or "Lola" using a conditional statement: If it is, concatenate the array item to the end of the refused paragraph's textContent , followed by a comma and a space.
This tutorial shows how to use the JavaScript while loop statement to create a loop that executes a block as long as a condition is true.
19 cze 2022 · The while loop has the following syntax: while (condition) { // code // so-called "loop body" } While the condition is truthy, the code from the loop body is executed. For instance, the loop below outputs i while i < 3: let i = 0; while (i < 3) { // shows 0, then 1, then 2 alert ( i ); i++; }
Syntax. while (condition) { // code block to be executed. } Example. In the following example, the code in the loop will run, over and over again, as long as a variable (i) is less than 10: Example. while (i < 10) { text += "The number is " + i; i++; } Try it Yourself »
In this tutorial, you will learn about the while loop, how to use it in JavaScript with the flow diagram and examples. While loop is a control flow statement that is used to execute a block of code over and over again until the condition given is true. Condition is evaluated before execution enters the loop body.
The JavaScript while and do…while loops repeatedly execute a block of code as long as a specified condition is true. In this tutorial, you will learn about the JavaScript while and do…while loops with examples.
