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Articles by Abhishek
Page 5 of 7
How to change the text of a label using JavaScript?
Before going to learn about the method of changing the text of a label element in HTML document, let us understand what is the label tag itself? The label tag helps in improving the usability of the web page for mouse users, as it can toggle the text inside it if the user clicks on it. Let us now discuss about the methods of changing the text of the label element using JavaScript. JavaScript allow us to use two inbuilt properties to change the text of any element in the HTML document, as listed below − Using the innerHTML ...
Read MoreHow to change the text and image by just clicking a button in JavaScript?
The text given to an particular element and the image given in an img element can be easily changed using the JavaScript. We can use the onclick event with the button element in the HTML document to make this happen when the button is clicked. To change the text on click to the button we assign a function to the onclick event as the value which performs the required changes. Let us understand the methods of changing the text and the image individually using JavaScript in details with the help of code examples. Changing text of an element JavaScript provide ...
Read MoreHow to change the src attribute of an img element in JavaScript / jQuery?
There are different methods to change the path of an image given to the src attribute of an img element in HTML document using the JavaScript as well as jQuery. Method of changing the src attribute of an img element using JavaScript − Use the src property in JavaScript. Methods of changing the src attribute of an img element using jQuery − Using attr() method Using prop() method Let us discuss each of the above listed methods of changing the src of an img element one by one in details − Using src property in JavaScript ...
Read MoreHow to change the shape of a textarea using JavaScript?
Textarea is a type of box with dynamic width and height, that means when the text is entered inside it, the text will not overflow and will only be contained by this texarea as it can dynamically increase or decrease its height and width. The textarea is mainly used inside the forms to get the full address of user and some other content with a larger text content. Commonly, A textarea is in the form of square shape or the rectangular shape, which can be changes using JavaScript as well as CSS. In this article, we are going to learn ...
Read MoreHow to change the ID of the element using JavaScript?
Generally, the ID given to any element in an HTML document is unique and can be assign to an element only once. But it is possible to change that id later using the JavaScript following the same rule of uniqueness for new ID as well as only single element can contain the new ID. In this article, we are going to learn about the ways of changing the ID of an element using JavaScript. JavaScript provides us or allow us to use the id property to get the id of any element as well as to change or add a ...
Read MoreHow to change the value of a global variable inside of a function using JavaScript?
There are two types of variables can be declared in any programming languages in context of their accessing scope. The Local variable and the Global variable. Global Scoped Variables − The global scoped variables are the variables which are declared globally inside the code file and can be accessed by any code block or any function inside the file. The scope of these variables is global. Local Scoped Variables − These are the variable, which declared inside a function or a particular block of code and can only be accessed or used within that particular block of code not outside ...
Read MoreWhat is Unary Negation Operator (-) in JavaScript?
The Unary Negation Operator first converts the operand into a number, and after that it negates. It operates on a single operand. It returns the negation of the operand. A boolean operand is converted to 0 or 1, and then negation is done. Similarly, a number with a base other than decimal is first converted to base 10, then the negation is computed. Syntax The following syntax will show you how you can use the unary negation operator to negate the value of a number − -x Here unary operator (-) negates x. Let us understand the application of ...
Read MoreWhat is Subtraction Operator (-) in JavaScript?
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 MoreHow to split JavaScript Number into individual digits?
In this tutorial, we will learn how we can split a JavaScript number into individual digits. Sometimes, we need to split the number into individual digits to accomplish the task given to us like checking for the palindrome number. Let us discuss the methods to split numbers into digits. When the number is taken in the form of a number. When the number is taken in the form of a string. Let us discuss both of them individually with program examples. When the input is in form of a number If the input number is in the form ...
Read MoreWhat is Modulus Operator (%) in JavaScript?
In this tutorial, we will learn about the modulus operator in JavaScript. In some languages, the modulus operator is also known as the remainder operator. The remainder operator and the modulus operator both are used to get the remainder of an integer when it is divided by some other integer, but they are different from each other in case of signs of the remainder whether it has to be positive or negative that is returned after the division. In the expression a % b, a is called dividend, while b is known as divisor. In case of the modulo, the ...
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