Thewhileloop loops through a block of code as long as a specified condition is true. 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: ...
In this article we show how to use the do keyword to create do...while loops in JavaScript. The do...while loop executes a block of code at least once before checking the condition. The do keywordThe do keyword is used to create a do...while loop in JavaScript. This loop executes ...
For、While、do-while loops 15、如何在JavaScript中将base字符串转换为integer? parseInt() 函数解析一个字符串参数,并返回一个指定基数的整数。...Break语句从当前循环中退出。 continue语句继续下一个循环语句。 29、在JavaScript中,dataypes的两个基本组是什么?...Logical Errors:这是由于在具有不同操作的...
This is where loops come in handy. The amount of times is often determined by variables, but can also be determined by actual numbers. Loops can be especially useful for doing something to each element in an array (each item in a list) but come in handy in many of situations. While lo...
More on JavaScript while and do...while Loops What is an infinite while loop in JavaScript? An infinite while loop is a condition where the loop runs infinitely, as its condition is always true. For example, let i = 1; // always true condition while(i < 5) { console.log(i); ...
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/do...while https://www.kirupa.com/html5/loops_in_javascript.htm https://stackoverflow.com/questions/44481131/why-the-huge-time-difference-between-while-and-do-while-in-javascript ...
在JavaScript中使用while循环的动画延迟是通过使用setTimeout函数来实现的。setTimeout函数是JavaScript提供的一个定时器函数,可以在指定的时间后执行一段代码。 具体实现步骤如下: 定义一个变量来表示动画的当前状态,例如animationState。 使用while循环来控制动画的执行次数或条件。 在循环内部,使用setTimeout函数来延迟执...
JavaScript Loop Statements StatementDescription breakBreaks out of a loop continueSkips a value in a loop whileLoops a code block while a condition is true do...whileLoops a code block once, and then while a condition is true forLoops a code block while a condition is true ...
It's time to understand certain aspects of such for loops in more detail. The variable i in the code above is typically called a counter variable, or simply a counter. This is because it's literally used to count for the for loop. Moving on, the name i is a pretty conventional name...
Unintentional Infinite Loops Suppose you write a while loop that never ends due to an internal error. Getting back to the example in the initial section of this tutorial, you have the following loop that runs continuously: Python >>> number = 5 >>> while number != 0: ... print(numb...