There are two ways to include JavaScript in your HTML document. The first is by writing JavaScript code within tag. Creating an external JavaScript file with the . js extension and then load it within the page through the src attribute of the
What are the different ways to include JavaScript in a web page?
There are following three ways in which users can add JavaScript to HTML pages.
- Embedding code.
- Inline code.
- External file.
Where the JavaScript code can be added?
In HTML, JavaScript code is inserted between tags.
What is the main use of JavaScript?
JavaScript is commonly used for creating web pages. It allows us to add dynamic behavior to the webpage and add special effects to the webpage. On websites, it is mainly used for validation purposes. JavaScript helps us to execute complex actions and also enables the interaction of websites with visitors.
What is === in JavaScript?
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.
Is Infinity a JS?
JavaScript isFinite() Function
The isFinite() function determines whether a number is a finite, legal number. This function returns false if the value is +infinity, -infinity, or NaN (Not-a-Number), otherwise it returns true.
How do you type JavaScript?
To write a JavaScript, you need a web browser and either a text editor or an HTML editor. Once you have the software in place, you can begin writing JavaScript code. To add JavaScript code to an HTML file, create or open an HTML file with your text/HTML editor.
How long will it take to learn JavaScript?
Most programmers will say that it will take at least 6-9 months to learn basic JavaScript and really be comfortable with it. Even then, you will still spend years gaining new skills and a deeper understanding of JavaScript, as well as many of the hundreds of other programming languages.
What are two ways to add JavaScript to an HTML file?
There are two ways to include JavaScript in your HTML document. The first is by writing JavaScript code within