JavaScript is null or empty
In JavaScript, “null” and “empty” are two different concepts. “Null” is a special value that represents the intentional absence of any object value, while “empty”… Read More »JavaScript is null or empty
JS empty
JavaScript check if string is empty or whitespace
Learn how to check if a string is empty or contains only whitespace characters in JavaScript. Explore two different approaches: using a regular expression and… Read More »JavaScript check if string is empty or whitespace
JavaScript checks undefined or null or empty
Learn how to check for undefined, null, or empty strings in JavaScript. Use conditional statements and type-checking functions to determine whether a variable has a… Read More »JavaScript checks undefined or null or empty
How to empty object in JavaScript | Code
Use a for..in loop to empty object in JavaScript. The loop will iterate over all the enumerable properties of the object and use the delete… Read More »How to empty object in JavaScript | Code
Create empty object JavaScript | Basics
You can use object literal or object constructor to create an empty object in JavaScript. There is no benefit to using new Object(); – whereas… Read More »Create empty object JavaScript | Basics
Check empty object JavaScript | Example code
You can use the plain vanilla JS Object keys() method to Check empty objects in JavaScript. For older browser support, install the Lodash library and… Read More »Check empty object JavaScript | Example code
JavaScript empty string | Example code
To define JavaScript empty a string use single quote or double quote without text. Test whether strValue is empty or is None Test wheter strValue… Read More »JavaScript empty string | Example code
JavaScript empty statement | Basics
JavaScript empty statement is used to provide no statement, although the JavaScript syntax would expect one. The empty statement is a semicolon (;) indicating that… Read More »JavaScript empty statement | Basics
JavaScript if not empty | Example code
Use the Strict equality (===) operator in the if statement to check if not empty given string or variable in JavaScript. This is because ===… Read More »JavaScript if not empty | Example code
JavaScript check if object is empty | Example code
Use the object key method to get the length of an object then check if the object is empty in JavaScript. SimpleCheck if the length… Read More »JavaScript check if object is empty | Example code