JavaScript is one of the 3 languages all web developers must learn: 1. HTML to define the content of web pages. 2. CSS to specify the layout of web pages. 3. JavaScript to program the …

JavaScript Arithmetic Operators. Arithmetic operators perform arithmetic on numbers (literals or variables).

The example below uses a do while loop. The loop will always be executed at least once, even if the condition is false, because the code block is executed before the condition is tested:

A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when "something" invokes it (calls it).

JavaScript animations are done by programming gradual changes in an element's style. The changes are called by a timer. When the timer interval is small, the animation looks continuous.

The try statement allows you to define a block of code to be tested for errors while it is being executed. The catch statement allows you to define a block of code to be executed, if an error …

The To Do List. Use CSS and JavaScript to create a "to-do list" to organize and prioritize your tasks.

JavaScript supports different kinds of loops: for - loops through a block of code a number of times; for/in - loops through the properties of an object; for/of - loops through the values of an iterable …

JavaScript Strings as Objects. Normally, JavaScript strings are primitive values, created from literals:

The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax