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Display Output in JavaScript
There are 4 ways to display the output in JavaScript.
a) Displaying the output in HTML elements, using innerHTML attribute.
Example
<html>
<body>
<p id="display"></p>
<script>
document.getElementById("display").innerHTML = 10 + 10;
</script>
</body>
</html>
Output
20.
b) Displaying the output using document.write().
Example
<html> <body> <script> document.write(2 + 3); </script> </body> </html>
Output
5
c) Displaying the output through console.log().
Example
<html> <body> <script> console.log(2 + 3); </script> </body> </html>
In debugger console, the output
5.
d) Displaying the output through alert box.
Example
<html> <body> <script> alert(2 + 3); </script> </body> </html>
In alert window box, the output
5
In case of handling json strings, or some other big data console.log is the best choice.
Updated on: 2019-07-30T22:30:26+05:30
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