A Function consists of the three basic components:
- The name of the function.
- Parameters, enclosed in parenthesis and comma separated.
- The statements that define the function, enclosed in curly brackets.
We can see the result in the browsers console:
We can also the function from the HTML file by using script tags:
The ‘jscode.js’ file contains the definition of the multiplication function.
We can bind a function to an event, so that the function gets called whenever that event occurs.
We define another function
We now change the HTML to add a button, which when clicked triggers the ‘alert_multiplication’ function:
The webpage now displays a button, which when clicked shows a popup:
We can use event attributes to call functions whenever a user clicks a button, a key is pressed, the mouse hovers over an element and etc.
How do I run a script in HTML?
What is script in HTML?
- From a Home screen, navigate: Apps icon > (Google) > Chrome .
- Tap the Menu icon.
- Tap Settings.
- From the Advanced section, tap Site settings.
- Open Chrome on your computer.
- Click. Settings.
- Click Privacy and security.
- Click Site settings.
- Turn on Allowed (recommended).
- go to Tools.
- then Internet Options
- select the Security tab.
- press the Custom Level button.
- scroll down to Scripting.
- enable Active Scripting.
How do I enable Java in Chrome?
How do I read HTML code?
- Open your browser and navigate to the page for which you wish to view the HTML.
- Right-click on the page to open the right-click menu after the page finishes loading.
- Click the menu item that allows you to view the source.
- When the source page opens, you’ll see the HTML code for the full page.
How do I open HTML code?
How do I display HTML code in browser?
How do I write HTML code?
- Step 1: Open Notepad (PC) Windows 8 or later:
- Step 1: Open TextEdit (Mac) Open Finder > Applications > TextEdit.
- Step 2: Write Some HTML. Write or copy the following HTML code into Notepad:
- Step 3: Save the HTML Page. Save the file on your computer.
- Step 4: View the HTML Page in Your Browser.