Answered: Making use of Javascript: In a table…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Making use of Javascript:

In a table structure, create a name textbox, an insert button and a name list. The name textbox cannot be empty and must not have duplicate names, validation is required (error message will appear). When the users clicks on the insert button, the name will be displayed in the name list using bullet point. The name list can store infinite names.

Sample output:(Empty field)

Name
Insert
Name must not be empty
Name List:
Sample output:(After inserting)
Name
Peter
Insert
Name List:
• Peter
Sample output:(Duplicate Names)
Peter
Name
Insert
Name already exists!
Name List:
• Peter
Sample output:(Insert next name)
Name
Adam
Insert
Name List:
• Peter
• Adam

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