You can use the includes() method to check if a string contains a substring in JavaScript. The method returns a boolean value indicating whether the string includes the substring. Here’s an example: Alternatively, you can use the indexOf() method which…
In JavaScript, you can use several methods to loop through an array: The for loop: The for…of loop (ES6+): The forEach() method: The forEach() method with arrow function (ES6+): You can use any of the above methods to loop through…
In JavaScript, you can check if a value exists in an array using the indexOf() method or the includes() method, which are both available on the Array prototype. The indexOf() method returns the first index at which a given element…
There are several ways to remove duplicates from an array in JavaScript. One way is to use the Set object, which only allows unique values. You can convert the array to a set, and then convert it back to an…
In JavaScript, you can create multiline strings using template literals (also known as template strings) which are enclosed by backticks () instead of single or double quotes. Inside the template literal, you can use the newline character (\n`) to create…
In JavaScript, you can remove a specific element from an array using the splice() method. The splice() method allows you to add or remove elements from an array by specifying the starting index and the number of elements to remove….
In JavaScript, a function can be defined in several ways: Using the function keyword: Using function expressions: Using arrow function (ES6+): All of the above examples define a function named myFunction. The function can be called by using its name…
There are several ways to concatenate two string arrays in JavaScript. One way is to use the concat() method. For example: Another way is to use the spread operator (…). For example: You can also use a for loop to…
You can use the .naturalWidth and .naturalHeight properties of the image element to get its original size (width and height) in pixels. For example: You can also use the .width and .height properties of the image element to get its…