In this article, you will learn how to filter a collection using Lodash. Let’s say you have a collection of food and their availability. In order to filter a collection using Lodash, you can use the _.filter method. In this example, you will filter the collection to only list out the food that is available. […]
In this article, you will learn how to hide or show an element in Javascript. Let’s say you have a div element with id ‘theDIV’. html css In order to hide or show an element, you can use the document.getElementById() method and style display property, object.style.display. In this example, you will be using a button […]
In this article, you will learn how to disable a button in Javascript. Let’s say you have a button element with id “theButton”. html In order to disable the button, you can use the document.getElementById() method and button disabled property, button.disabled. full html full javascript Before disabling button After disabling button Note: The document.getElementById() method […]
In this article, you will learn how to create an array from a string in Javascript. Let’s say you have a string variable named ‘a’ with value “codesource”. In order to create an array from the string, you can use the Array.from() method. In this example, you will be creating an array of characters from […]
In this article, you will learn the difference between import and require in Javascript. These are used when you try to use an external module inside the page you are currently working on. The main difference is : Import Lexical; will be sorted to the top of the current file. Only can be called in […]
In this article, you will learn how to list out every array element in Javascript. Let’s say you have an array named ‘a’ with elements “red”, “green”, “blue”. In order to list out every array element, you can use the forEach() method. In this example, you will be executing the console.log() function on every array […]
In this article, you will learn how to deep copy an array using Lodash. Let’s say you have an array named ‘a’ with elements ‘1, 2, 3, 4’. In order to deep copy an array using Lodash, you can use the _.cloneDeep() method. Note: The _.cloneDeep() method functions by creating a fully independent yet exact […]
In this article, you will learn how to remove duplicates from an array using Lodash. Let’s say you have an array named ‘a’ with elements ‘1, 1, 2, 2, 2, 3, 3’. In order to remove duplicates from an array, you can use the _.sortedUniq() method. Note: The _sortedUniq() method functions by removing duplicate elements […]
In this article, you will learn how to capitalise first letter using Lodash. Let’s say you have a string variable named ‘a’ with value “code-source.tempurl.host”. In order to capitalise first letter in string using Lodash, you can use the _.capitalize() method. Note: The _.capitalize() method functions by converting the first letter of a string to […]
In this guide, we will look at writing a function that capitalizes the first letter of every word in JavaScript. So basically we split the given string, using the space as a base. We went ahead to extract the first character using the charAt this we then change to an uppercase letter.
In this guide, we will write a check for an empty object in JavaScript. To achieve this we would be using the custom built-in object.keys method. This returns a truthy value if the given object is empty. This is however easily achieved with lodash like so:
In this article, you will learn how to clone an object in Javascript. Let’s say you have an object named ‘a’. In order to clone an object, you can use the spread syntax …. Note: The spread syntax … functions by shallow copying the properties and values of an object to another.
In this article, you will learn how to open a link in a new tab in Javascript. Let’s say you want to open a link to the code-source.tempurl.host’s homepage. In order to open a link in a new tab, you can use the window.open() method. Note: The window.open() method functions by opening the supplied link […]
In this article, you will learn how to convert a string to lowercase letters in Javascript. Let’s say you have a string variable named ‘a’ with value “CODESOURCE.IO”. In order to convert the string to lowercase letters, you can use the toLowerCase() method. Note: The toLowerCase() method functions by converting a string to lowercase letters.
In this article, you will learn how to convert UNIX timestamp to date in Javascript. Let’s say you have a variable named ‘a’ with the value of the current UNIX timestamp in seconds. In order to convert a UNIX timestamp to date, you can use the toLocaleString() method. In this example, you will be using […]
