how to pass select option value in javascript function

This allows the user to get the value he selected from the dropdown list. Default Parameters. Suppose they call the function like this: That's no good! You can see that just as we bypassed declaring a named variable in the Simple Passing model (with greeting('')), here we use the same shortcut and bypass declaring a named object (with greeting({})). The this. Got it to work using a little info from both of you…, Powered by Discourse, best viewed with JavaScript enabled, Javascript to call function from selected option. This option’s value can be found by using the value property. About Mkyong.com. Closed 2 years ago. But, the way you are using the id, it will work, however you won’t be able to do something like this: because the element with id=0 is ambiguous. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. Parameter Rules . In pure JavaScript, you can use the `selectedIndex` property which reflects the index of the selected `option` element. Even when there is no data to be passed, we still have to declare and execute functions by using parenthesis: myFunction(). text:It specifies the value of input text field. Attribute “id” has a special meaning in javascript – it is identifier of an element and must be non-numeric and unique. The options property returns the collection of all the option elements in the