When developing an application, you often need to perform the same action in many places. For example, you may want to show a message whenever an error occurs. To avoid repeating the same code all over places, you can use
What is an Operator? In JavaScript, an operator is a special symbol used to perform operations on operands (values and variables). An operator is an action performed on one or more operands that evaluates expressions or change the data. Operators
In this, you will learn about the various data types available in JavaScript with the help of examples.There are different types of data that we can use in a JavaScript program. For example: Definition The data type is a basic
Variables in JavaScript are containers that hold reusable data. It is the basic unit of storage in a program. The value stored in a variable can be changed during program execution. A variable is only a name given to a
Characteristics | Advantages | Limitations of JavaScript In this example, you will learn to print ‘Hello World’ in JavaScript in three different ways. A “Hello, World!” is a simple program that prints Hello, World! on the screen. Since it’s a
What is JavaScript? Scripts execute in JavaScript as they appear in HTML document. JavaScript is a case sensitive language so uppercase and lowercase characters are distinct. So Document and document are different. JavaScript statements should end with a semicolon. It
It is the one of most popular scripting language used in millions of the webpages these days. Its main purpose is to allow web developers to add functionality and interactivity to webpages. JavaScript was created by Brendan Eich at Netscape
Clone project with particular branch name. For more detail on git, please follow this link. why-use-git Git main website.
Difference between the substr() and substring() functions in JavaScript. The substr() function has the form substr(startIndex,length). It returns the substring from startIndex and returns ‘length’ number of characters. var s = “hello”; ( s.substr(1,4) == “ello” ) // true The
In Javascript there are 3 types of Popup Boxes are available, they are Alert Confirm Prompt
