How to create dictionary and add key–value pairs dynamically?
This article will teach you how to make a dictionary in JavaScript by using objects to store key-value pairs. Although JavaScript doesn’t have a built-in “dictionary” type, we can effectively create one using JavaScript Objects. Let’s start by creating a new JavaScript Object to act as our dictionary....
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Convert JSON String to Array of JSON Objects in JavaScript
Given a JSON string, the task is to convert it into an array of JSON objects in JavaScript. This array will contain the values derived from the JSON string using JavaScript. There are two approaches to solve this problem, which are discussed below:...
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Get the value of text input field using JavaScript
To get the value of a text input field using JavaScript, you can use the DOM Input Text value Property of the input element....
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Search Bar using HTML, CSS and JavaScript
Every website needs a search bar through which a user can search the content of their concern on that page. We’re going to learn how to create one using only HTML, CSS, and JavaScript. Instead of getting into complex algorithms for finding related content, we’ll focus on a basic task—searching for specific words or phrases within text....
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JavaScript Array map() Method
The map() method in JavaScript creates a new array by applying a function to each element of the original array. It skips empty elements and does not alter the original array, making it ideal for transforming data....
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JavaScript Arrays
An array in JavaScript is a data structure used to store multiple values in a single variable. It can hold various data types and allows for dynamic resizing. Elements are accessed by their index, starting from 0....
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Lodash _.isEmpty() Method
Imagine you have a box and want to know if it’s empty. Lodash’s _.isEmpty() method acts like a handy tool to check different types of boxes. Simply, Lodash _.isEmpty() method checks if the value is an empty object, collection, map, or set. Objects are considered empty if they have no own enumerable string keyed properties. Collections are considered empty if they have a 0 length. Similarly, maps and sets are considered empty if they have a 0 size....
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How to use dynamic variable names in JavaScript ?
In programming, dynamic variable names don’t have a specific name hard-coded in the script. They are named dynamically with string values from other sources. Dynamic variables are rarely used in JavaScript. But in some cases they are useful. Unlike PHP, there is no special implementation of dynamic variable names in JavaScript. However similar results can be achieved by using some other methods....
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JavaScript Multidimensional Array
Multidimensional arrays are not directly provided in JavaScript. If we want to use anything which acts as a multidimensional array then we need to create a multidimensional array by using another one-dimensional array. So multidimensional arrays in JavaScript is known as arrays inside another array. We need to put some arrays inside an array, then the total thing is working like a multidimensional array. The array, in which the other arrays are going to insert, that array is use as the multidimensional array in our code. To define a multidimensional array its exactly the same as defining a normal one-dimensional array....
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How to replace an item from an array in JavaScript ?
Replacing an item from an array in JavaScript refers to the process of updating the value of an existing element at a specified index within the array with a new value, effectively modifying the array content....
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How to pass JavaScript variables to PHP ?
JavaScript is the client side and PHP is the server-side script language. The way to pass a JavaScript variable to PHP is through a request....
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How to find if two arrays contain any common item in Javascript ?
JavaScript Array is a single variable that is used to store elements of different data types. JavaScript arrays are zero-indexed. So, we are given two arrays containing array elements and the task is to check if two arrays contain any common elements then it returns True otherwise returns False....
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