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Actually when you try to call the element using id code only calls the first element. Access the elements using the tag and check whether its id is the id assigned by you. This page has mentioned everything which you require to get over your problem. It is not recommended to use same id for multiple elements.
How to use multiple selectors in a string in JavaScript?
You can use multiple selectors in the string of querySelctorAll () by separating them with a , The click event is fired when a pointing device button (usually a mouse’s primary button) is pressed and released on a single element. But a clean approach for pure Javascript is to create a function that binds a callback for the event.
What happens when you assign the same ID to more than one element?
The above technique is called DOM Event Delegation. When you assign the same ID to more than one element this scenario happens. Actually when you try to call the element using id code only calls the first element. Access the elements using the tag and check whether its id is the id assigned by you.
How to create multiple buttons having different functioanlities?
To create multiple buttons having different functioanlities in an HTML page is an easy job. Create multiple buttons (as many as you want). Add the attribute onclick=”” for all the buttons . Write down the name of the function inside the double quotes in onclick=”” .
The best way to deal with multiple submit button is using switch case in server script Source: W3Schools.com Define name as array. Example server code (PHP): elseif very important, because both will be parsed if not. Enjoy.
Rather than using the value to determine which button was pressed, you can use the name (with the tag instead of ). That way, if your buttons happen to have the same text, it won’t cause problems. The names of all form items, including buttons, are sent as part of the URL.
How to create a table and add fields?
For instance, you can create a Contacts table to store a list of names, addresses, and telephone numbers, or a Products table to store information about products. This article explains how to create a table, add fields to a table, set a table’s primary key, and how to set field and table properties.
How to reduce the number of optional fields on a form?
First, eliminate as many optional fields as possible (see the first recommendation above). If some fields truly are necessary, but only apply to a subset of users, don’t make users find out through trial and error. Limit the form to only 1 or 2 optional fields, and clearly label them as optional.