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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.
19 cze 2022 · We covered 3 types of loops: while – The condition is checked before each iteration. do..while – The condition is checked after each iteration. for (;;) – The condition is checked before each iteration, additional settings available. To make an “infinite” loop, usually the while(true) construct is used.
The main difference between a do...while loop and a while loop is that the code inside a do...while loop is always executed at least once. That's because the condition comes after the code inside the loop.
Interview Response: In JavaScript, the syntax for a while loop consists of the keyword, while, followed by a condition enclosed in parentheses, and then a block of code, or loop body, enclosed in curly braces.
The JavaScript while statement creates a loop that executes a block as long as a condition evaluates to true. The following illustrates the syntax of the while statement: while (expression) { // statement . } Code language: JavaScript (javascript) The while statement evaluates the expression before each iteration of the loop.
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 »
15 lut 2020 · do...while loop Syntax: do { // statement} while (condition); The do...while loop is closely related to while loop. In a do...while loop, condition is checked at the end of each iteration of the loop, rather than at the beginning before the loop runs.
