What are the different ways to include JavaScript in HTML?

What are the different ways of including a JavaScript code in HTML?

You can include JavaScript in your HTML in two ways:

  • Writing the code in your HTML.
  • Including it as a link to an external file.

What are the three ways in which JavaScript can be included?

Adding JavaScript to Your Web Pages

There are typically three ways to add JavaScript to a web page: Embedding the JavaScript code between a pair of <script> and </script> tag. Creating an external JavaScript file with the . js extension and then load it within the page through the src attribute of the <script> tag.

How many ways can you apply JavaScript?

There are three different ways to load an external Javascript file:

  1. Normal loading.
  2. Asynchronously loading.
  3. Defer its loading.

Where do you put JavaScript in an HTML page?

JavaScript in <head> or <body>

You can place any number of scripts in an HTML document. Scripts can be placed in the <body> , or in the <head> section of an HTML page, or in both.

Where do I write JavaScript code?

JavaScript provides 3 places to put the JavaScript code: within body tag, within head tag and external JavaScript file. Let’s create the first JavaScript example. The script tag specifies that we are using JavaScript. The text/javascript is the content type that provides information to the browser about the data.

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Can you convert JavaScript to HTML?

There’s no such thing as a “Javascript to HTML converter”. Javascript is a programming language, not a markup language. Browsers don’t convert Javascript to HTML, they execute the Javascript code, and the effect of the Javascript code is to modify the HTML.

What is the main use of JavaScript?

JavaScript is a text-based programming language used both on the client-side and server-side that allows you to make web pages interactive. Where HTML and CSS are languages that give structure and style to web pages, JavaScript gives web pages interactive elements that engage a user.

What is === in JavaScript?

=== (Triple equals) is a strict equality comparison operator in JavaScript, which returns false for the values which are not of a similar type. This operator performs type casting for equality. If we compare 2 with “2” using ===, then it will return a false value.

What does apply () do in JavaScript?

With apply , you can write a method once, and then inherit it in another object, without having to rewrite the method for the new object. apply is very similar to call() , except for the type of arguments it supports. You use an arguments array instead of a list of arguments (parameters).

What is this in JavaScript?

The JavaScript this keyword refers to the object it belongs to. … Alone, this refers to the global object. In a function, this refers to the global object. In a function, in strict mode, this is undefined .

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