How to use JavaScript variable in html?

How do you add a variable in HTML?

Use the <var> tag in HTML to add a variable. The HTML <var> tag is used to format text in a document. It can include a variable in a mathematical expression.

Can you use HTML in Javascript?

Answers the question, no? Instead of embedding html into JavaScript, you could make a bunch of predefined JavaScript functions and then use them outside of the script tags. For example, here’s how to display a picture while still using the JavaScript functions.14 мая 2010 г.

Can you have variables in HTML?

The HTML Variable element ( <var> ) represents the name of a variable in a mathematical expression or a programming context. It’s typically presented using an italicized version of the current typeface, although that behavior is browser-dependent.

What are 3 types of variables?

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.

How do I display a variable in HTML?

JavaScript can “display” data in different ways:

  1. Writing into an HTML element, using innerHTML .
  2. Writing into the HTML output using document.write() .
  3. Writing into an alert box, using window.alert() .
  4. Writing into the browser console, using console.log() .

Where do you put JavaScript in HTML?

You can add JavaScript code in an HTML document by employing the dedicated HTML tag <script> that wraps around JavaScript code. The <script> tag can be placed in the <head> section of your HTML, in the <body> section, or after the </body> close tag, depending on when you want the JavaScript to load.

See also:  How to change html with JavaScript?

Which is better HTML or JavaScript?

HTML provides the actual content whereas the JavaScript provides an interface for the end users to interact by generating dynamic content to the users. HTML is mainly used for providing static web content whereas JavaScript provides a dynamic environment to handle the dynamic events on the web pages.

What does JavaScript do in HTML?

JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, …

Can you loop in HTML?

The loop attribute is a boolean attribute. When present, it specifies that the audio will start over again, every time it is finished.

What are the basic elements of HTML?

The basic elements of an HTML page are:

  • A text header, denoted using the <h1> , <h2> , <h3> , <h4> , <h5> , <h6> tags.
  • A paragraph, denoted using the <p> tag.
  • A horizontal ruler, denoted using the <hr> tag.
  • A link, denoted using the <a> (anchor) tag.

What are the version of HTML?

HTML HistoryYearVersion1999W3C Recommendation: HTML 4.012000W3C Recommendation: XHTML 1.02008WHATWG HTML5 First Public Draft2012WHATWG HTML5 Living StandardЕщё 9 строк

What are the 5 types of variables?

There are six common variable types:

  • DEPENDENT VARIABLES.
  • INDEPENDENT VARIABLES.
  • INTERVENING VARIABLES.
  • MODERATOR VARIABLES.
  • CONTROL VARIABLES.
  • EXTRANEOUS VARIABLES.

What is variable example?

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.

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