Overview
In this post, we will develop a simple JavaScript function and learn how to pass values to a JavaScript function. The script is simple add function. However, we will pass the number of digits that needs to appear after decimal to the add function.
HTML Code
Enter the First number: Enter the Second number:
www.TestingDocs.com | 2016
JavaScript Function
function add(decimaldigits) {
var aLocal = parseFloat(document.getElementById("a").value);
var bLocal = parseFloat(document.getElementById("b").value);
alert(aLocal);
var result = aLocal + bLocal;
resultStr = result.toFixed(decimaldigits) + "<br>";
document.getElementById("output").innerHTML = resultStr;
}
Sample Output
To run the JavaScript code, open the HTML file in the browser window.
Add the two numbers in the textboxes and hit on the Add button.
The output would be displayed in the output div element.
JavaScript tutorials on this website can be found at:
https://www.testingdocs.com/javascript-tutorial/
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