How To
What does && mean in JavaScript
12/18/2024 7:31:43 AM 18
The `&&` is a logical operator in JavaScript, known as the "AND" operator. It is used to check if multiple conditions are true.
How to get emojis in Javascript
12/18/2024 7:29:25 AM 18
In JavaScript, you can use Unicode characters to display emojis, with each emoji having a specific Unicode value assigned to it.
What is variable hoisting in Javascript
12/18/2024 7:25:42 AM 18
Variable hoisting refers to how JavaScript automatically moves the declarations of variables to the top of their containing scope during the execution phase, while the initialization remains in its original position.
How to fix 'Cannot read properties of null (reading 'addEventListener')'
12/18/2024 7:19:05 AM 50
The `TypeError: Cannot read properties of null (reading 'addEventListener')` error occurs when you try to access a property or call a method, such as `addEventListener`, on a variable that is `null`.
What does !== mean in javascript
12/18/2024 7:14:13 AM 13
The `!==` operator in JavaScript is a strict inequality operator. It compares whether two values are not equal in both value and type, returning `true` if they are either not equal or of different types.
What is ternary operator in Javascript
12/18/2024 7:12:10 AM 8
The ternary operator, also known as the conditional operator, is a shorthand for an if-else statement in JavaScript. It takes three operands: a condition, a value to return if the condition is true, and a value to return if the condition is false.
How to use getElementById() in Javascript
12/18/2024 7:11:00 AM 11
The `getElementById()` method in JavaScript is used to select and retrieve an HTML element with a specified `id` attribute.
How to use for loop in Javascript
12/18/2024 7:07:26 AM 12
In JavaScript, a `for` loop is used to repeatedly execute a block of code a specific number of times.
How to use switch in Javascript
12/18/2024 7:05:22 AM 11
In JavaScript, the `switch` statement is used to perform different actions based on various conditions, similar to a series of `if...else` statements.
How to use .length in Javascript
12/18/2024 7:02:05 AM 13
In JavaScript, `.length` is a property that returns the number of items in an array or the number of characters in a string.
How to use `Object.values()` in JavaScript
12/18/2024 7:00:44 AM 14
The `Object.values()` method in JavaScript retrieves an array of an object's own enumerable property values, collecting all the values and returning them in array format.
How to use split() in Javascript
12/18/2024 6:57:17 AM 17
The `split()` method in JavaScript splits a string into an array of substrings, using a specified separator.
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