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conditions in JavaScript

The condition statements in JavaScript is used to execute a block of code only when a certain condition is met. This is the basic control structure that allows decision-making functionality to be added to programs.

Data types in JavaScript

In JavaScript, there are a few primitive data types. Primitive data type is not an object and has no methods or properties.

Angular ngStyle

ngStyle is an Angular directive that adds or removes CSS styles based on a condition or expression. It is an attribute directive, which means it changes the appearance of the element on which it is used. It does not manipulate the DOM like the structural directive.
 

Angular ngIf directive

*ngIf is a structural directive that modifies the structure of the DOM. 

It works similarly to the JavaScript if statement. It adds or removes elements depending on the condition. When the ngIf condition is true, the element is rendered, and when the condition is false, it is not rendered at all. It has an asterisk prefix like other structural directives.

classes in TypeScript

TypeScript offers full support for the class keyword introduced in ES2015.

functions in TypeScript

TypeScript allows you to specify the types of the input and output values of a function.

lists in HTML

HTML lists allow web developers to group a set of related items into lists.

HTML elements

An HTML tag is composed of the name of the element, surrounded by angle brackets (< >). An end tag also has a slash (/) after the opening angle bracket, to distinguish it from the start tag. 

tables in HTML

The HTML <table> element represents tabular data. Tabular data is information presented in a two-dimensional table consisting of rows and columns.

head in HTML

The HTML <head> element contains machine-readable information (metadata) about the document, like its title, scripts, and style sheets.