How to clear the content of a div using JavaScript?
JavaScript provides the functionality of clearing the content of div. There are two methods to perform this function, one by using innerHTML property and other… Read More »
Category Archives: JavaScript
How to empty an array in JavaScript?
There are many ways to empty an array in JavaScript some of them are discussed below: Method 1: Setting to new Array: This method sets… Read More »
JavaScript | Add new elements at the beginning of an array
Adding new elements at the beginning of existing array can be done by using Array unshift() method. This method is similar to push() method but… Read More »
JavaScript | Window getComputedStyle() Method
The getComputedStyle() method is used to get all the computed CSS property and values of the specified element. The use of computed style is displaying… Read More »
How to redirect to another webpage using JavaScript?
There are several methods to redirect to another webpage using JavaScript. Some of them are listed below: location.href location.replace() location.assign() Syntax: location.href=”URL” or location.replace(“URL”) or… Read More »
JavaScript | Output
JavaScript Output defines the ways to display the output of a given code. The output can be display by using four different ways which are… Read More »
Sort array of objects by string property value in JavaScript
The array of objects can be sort by using user defined function. This function compares the array of objects by its property. For example, the… Read More »
JavaScript | For Loop
Looping in programming languages is a feature which facilitates the execution of a set of instructions repeatedly until some condition evaluates and becomes false. We… Read More »
JavaScript | Convert a string to boolean
Sometimes it is needed to convert a string representing boolean value “true”, “false” into intrinsic type of JavaScript. Given a string and the task is… Read More »
JavaScript | Check the existence of variable
JavaScript has a bulit-in function to check whether a variable is defined/initialized or undefined. Note: The typeof operator will check whether a variable is defined… Read More »
How to clone a JavaScript object?
Cloning a JavaScript object is a task that is used mostly because we do not want to create the same object if the same object… Read More »
JavaScript | Random
The Math.random() function is used to return a floating-point pseudo-random number between range [0,1) , 0 (inclusive) and 1 (exclusive). This random number can be… Read More »
XSS Prevention : Without Writing Single Line of Code
What is XSS? XSS(Cross-site Scripting) is a web threat in which the attacker inserts malicious client-side code into webpages. These attacks exploit the XSS vulnerabilities,… Read More »
JavaScript | Numbers
JavaScript numbers are always stored as double-precision 64-bit binary format IEEE 754. This format stores numbers in 64 bits, 0-51 bit stores value(fraction) 52-62 bit… Read More »
JavaScript | Errors – Throw and Try to Catch
When executing JavaScript code, errors will most definitely occur. These errors can occur due to the fault from the programmer’s side or the input is… Read More »
