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Latest posts on tagged on "JavaScript"

How to remove duplicates from JavaScript array?

| | Category: JavaScript

In this article we will discuss how to remove duplicates from JavaScript array. This can be implemented by using filter() method.

Function in JavaScript

| | Category: JavaScript

A function allows us to write code once and we can use it as many times as our wish just by calling the function. A function eliminates the need of writing the same code again and again.

How to while loop in JavaScript?

| | Category: JavaScript

In this article we will discuss implementing while loop. The while statement creates a loop that executes a specific statement until the certain condition is met.

How to for loop in JavaScript?

| | Category: JavaScript

In this article we will discuss implementing for loop. For statement creates a loop it consist of three optional expressions separated by semicolons. If the condition is true then the code executed inside the loop, otherwise the control will be out of the loop. The iteration statement where we can increase or decrease count.

How to implement switch statement in JavaScript?

| | Category: JavaScript

In this article we will discuss implementing switch statement. The switch statement is used to perform different actions based on different condition. In order to improve the readability of a program multiple if else statements can be replaced with a switch statement.

How to implement else statement in JavaScript?

| | Category: JavaScript

In this article we will discuss implementing else statement. We can use else statement to specify a block of code to executed when the condition is false.

What is if statement and how to implement in JavaScript?

| | Category: JavaScript

If statement is the part of JavaScript. If statement executes a statement when the condition is true.

How to use substr() method in JavaScript?

| | Category: JavaScript

In this article we will discuss to how to use substr() method. It has two parameter start and count. Start is required parameter and it specifies where the position should to start. End is optional parameter it specifies the number of characters to extract. If the count parameter is not specified, it takes the all characters till end of the string. If the count is zero or negative then it will return empty.

How to use substring() method in JavaScript?

| | Category: JavaScript

In this article we will discuss to how to use substring() method. It has two parameter start and end. Start is required parameter and it specifies where the position should to start. End is optional parameter it specifies where the extraction should end. If the value of start parameter is greater than the end parameter then the method will swap the two arguments, start treated as end and end will be treated as start.

How to replace strings in JavaScript?

| | Category: JavaScript

In this article we will discuss to replace strings in JavaScript by using replace() method. It searches a given specified string and replaces with the replacement values.

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