Statement 1Normally you will use statement 1 to initiate the variable used in the loop (i = 0).This is not always the case, JavaScript doesn't care. Statement 1 is optional.You can initiate many values in statement 1 (separated by comma):...
When i equals 2, the continue statement skips the rest of that iteration. The loop continues with the next value. This results in all numbers from 0 to 4 being logged except 2. $ node main.js 0 1 3 4 For...of loopJavaScript provides the for...of loop for iterating over iterables...
If you have read the previous chapter, about the for loop, you will discover that a while loop is much the same as a for loop, with statement 1 and statement 3 omitted. The loop in this example uses aforloop to collect the car names from the cars array: ...
JavaScript while and do...while Loop JavaScript for...of Loop JavaScript for...in Loop JavaScript break Statement JavaScript continue StatementBefore we wrap up, let’s put your knowledge of JavaScript for loop to the test! Can you solve the following challenge? Challenge: Write a function...
JavaScript for (var i = 0; i < 5; i++) { if (i === 2) { break; } console.log(i); } Here's the output produced by this code: 0 1 As is evident, the console.log(i) statement executes just twice. In the third iteration, when i === 2 is true, this leads to break ...
Theforstatement creates a loop with 3 optional expressions: for(expression 1;expression 2;expression 3) { //code block to be executed } Expression 1is executed (one time) before the execution of the code block. Expression 2defines the condition for executing the code block. ...
In our case, when the counter is equal to the size of the array, the for loop stops executing. JavaScript array loop with while statementThe while statement is a control flow statement that allows code to be executed repeatedly based on a given boolean condition. The while keyword executes ...
问在do循环(MissingLoopStatement)中错误消息丢失语句体的原因是什么?ENJava是一种流行的编程语言,其...
<!DOCTYPE html> JavaScript while statement : Example-1 JavaScript : while statement The while loop calculate the sum of odd numbers between 0 to 10. List of numbers : JS Codevar x = 1; var y = 0; var z = 0; document.getElementById("result").innerHTML = "List of nu...
问in loop JavaScript的说明EN先看段代码: console.log(1); setTimeout(function () { consol...