The for keyword creates a loop that consists of three parts: initialization, condition, and final expression. It's one of the most commonly used loop structures in JavaScript. The loop continues until the condition evaluates to false. The initialization is executed once before the loop starts. ...
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; ...
JavaScript supports different kinds of loops:for - loops through a block of code a number of times for/in - loops through the properties of an object while - loops through a block of code while a specified condition is true do/while - also loops through a block of code while a ...
JavaScript Infinite for loop In JavaScript, we can create an infinite for loop by setting a condition that always evaluates to true. For example, for (let i = 0; true; i++) { console.log("This loop will run forever!"); } Run Code Output This loop will run forever! This loop wil...
s code. If you don’t want to put a condition or a way to get out of the loop, you would be building an infinite loop. But if this is not your intention then you will have to put a condition and an expression that changes the value of the variable, as we have done in the ...
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); ...
In JavaScript the while loop is simple, it executes its statements repeatedly as long as the condition is true. The condition is checked every time at the beginning of the loop.Syntaxwhile (condition) { statements }Pictorial Presentation:Example: ...
In JavaScript for loop executes a block of statements until a specified condition is true. JavaScript for loop creates a loop that allows us to specify three different expression in a single line, enclosed in parentheses and separated by semicolons, foll
JavaScript supports different kinds of loops: for- loops through a block of code a number of times for/in- loops through the properties of an object for/of- loops through the values of an iterable object while- loops through a block of code while a specified condition is true ...
代码语言:javascript 代码运行次数:0 fnmain()letnumber=6;ifnumber<10{println!("condition was true")}else{println!("condition was false");}} 输出: condition was true if 条件表达式的分支必须返回同一个类型的值。 有返回值执行: 代码语言:javascript ...