screen output and keyboard input in js
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JavaScript can display output in HTML elements using innerHTML, in the HTML output using document.write(), in alert boxes using window.alert(), and in the browser console using console.log(). It demonstrates writing the result of 5 + 6 into an HTML paragraph element using innerHTML, into the HTML output using document.write(), into an alert box using window.alert(), and into the browser console using console.log() for debugging purposes. The document explains different methods for displaying data in JavaScript.
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screen output and keyboard input in js
- 1. Screen output and keyboard input in JS Prof. Neeraj Bhargava Kapil Chauhan Department of Computer Science School of Engineering & Systems Sciences MDS University, Ajmer
- 2. JavaScript Display Possibilities JavaScript can "display" data in different ways: Writing into an HTML element, using innerHTML. Writing into the HTML output using document.write(). Writing into an alert box, using window.alert(). Writing into the browser console, using console.log().
- 3. Using innerHTML To access an HTML element, JavaScript can use the document.getElementById(id) method. The id attribute defines the HTML element. The innerHTML property defines the HTML content:
- 4. Cont.. <p id="demo"></p> <script> document.getElementById("demo").innerHTML = 5 + 6; </script>
- 5. Using document.write() For testing purposes, it is convenient to use document.write(): <script> document.write(5 + 6); </script>
- 6. Using window.alert() We can use an alert box to display data: <html> <body> <h1>My First Web Page</h1> <p>My first paragraph.</p> <script> window.alert(5 + 6); </script> </body> </html>
- 7. Using console.log() For debugging purposes, you can call the console.log() method in the browser to display data. <html> <body> <script> console.log(5 + 6); </script> </body> </html>
- 8. Assignment Explain JavaScript Display Possibilities with each suitable example.