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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 · The basic tool for looping through a collection is the for...of loop: js. const cats = ["Leopard", "Serval", "Jaguar", "Tiger", "Caracal", "Lion"]; for (const cat of cats) { console.log (cat); } In this example, for (const cat of cats) says: Given the collection cats, get the first item in the collection.
5 lut 2024 · What is a while loop in Python? These eight Python while loop examples will show you how it works and how to use it properly. In programming, looping refers to repeating the same operation or task multiple times. In Python, there are two different loop types, the while loop and the for loop.
In this tutorial, you will learn about the while loop, how to use it in JavaScript with the flow diagram and examples. While loop Condition is evaluated before execution enters the loop body.
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 »
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++; }
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