To control the flow in JavaScript, use labels. A label can be used with break and continue statement to control the flow more precisely. A label is simply an identifier followed by a colon (:) that is applied to a statement or a block of code. We will see two different examples to understand how to use labels with break and continue.ExampleYou can try to run the following code to use labels to control the flow, with break statement −Live Demo                                     ... Read More

This tutorial will teach us to use a label with the continue statement in JavaScript. In the ES5, we were using the label with the go-to statement to jump over the iteration, but it is not supported in the ES6 version of JavaScript. So, we will use the continue statement to jump over the loop iteration or skip any single iteration.Here are the basic definitions of the label and continue statement.label − It can be any string to give a name or label to the block of code.continue − It is used to jump over the one iteration of the ... Read More

JavaScript goto statement is a reserved keyword. Generally, according to web standards it isn’t considered a good practice to use goto statement.Using goto with JavaScript preprocessing is still considered good as shown below.var a = 0; [lbl] beginning: console.log("Demo Text!"); a++; if(i < 424) goto beginning;The above code gets translated like the following −var a = 0; beginning: while(true) { console.log("Demo Text!"); a++; if(i < 424) continue beginning; break; }

This tutorial will teach us to use a label with a break statement in JavaScript. The label and break statement are not new in JavaScript, and many of you are familiar with both. The label is a unique string we can use to give the identity to the block of code, loops, switch cases, etc., in JavaScript.We can use the break keyword with the label statement. It stops the execution of the code in the middle.In this tutorial, we will learn to use the label and break statement with the loops, and block of codes.Here are the basic definitions of ... Read More

The break statement is used to exit a loop early, breaking out of the enclosing curly braces.ExampleYou can try to run the following code to learn how to use the break statement to come out of a loopLive Demo                    var x = 1;          document.write("Entering the loop ");          while (x < 20) {             if (x == 5) {                break; // breaks out of loop completely             }             x = x + 1;             document.write( x + "");          }          document.write("Exiting the loop! ");          

The break statement is used to break a loop and continue executing the code, which is after the loop.ExampleYou can try to run the following code to break a loop in JavaScriptLive Demo                          var text = "";          var i;          for (i = 0; i < 5; i++) {             if (i === 2) {                break;             }             text += "Value: " + i + "";          }          document.getElementById("test").innerHTML = text;           OutputValue: 0 Value: 1

The best way to break from nested loops is to use labels. A label can be used with break and continue to control the flow more precisely. A label is simply an identifier followed by a colon (:) that is applied to a statement or a block of code.ExampleYou can try to run the following code to implement Label with a break statement to break from nested loops −Live Demo                    document.write("Entering the loop! ");          outerloop:  // This is the label name          for (var ... Read More

We use the for...in statement of JavaScript for looping over enumerable properties of an array or object. It is a variety of for loops. Unlike other loop constructs in JavaScript, the for...in loop doesn’t have to bother about the number of iterations. This is because the iteration size is fixed based on the enumerable properties of the object or the number of elements in the array. The "for...in" statement in JavaScript A for...in loop iterates over all the enumerable properties of an object. All the properties that are assigned using a simple assignment operator or by default initializer are considered ... Read More

break statementThe break statement is used to exit a loop early, breaking out of the enclosing curly braces.  The break statement exits out of a loop.  Let’s see an example of break statement in JavaScript. The following example illustrates the use of a break statement with a while loop. Notice how the loop breaks out early once x reaches 5 and reaches to document.write (..) statement just below to the closing curly brace, Example                    var x = 1;          document.write("Entering the loop ");         ... Read More

The subtraction operator is also known as the minus operator. It is a binary operator that means it requires at least two operands to operate on. It will not work with a single operand. Generally, the subtraction operator subtracts or minus the value of the second operand from the first operand and returns the result as it is, that means if the result of two numbers subtraction is negative it will return the negative result, else it will return positive result if that’s positive. In this article, we are going to discuss about the subtraction operator in details and its ... Read More