html,CSS,Javascript please help me how to do this ? Make a pull-down menu that contains personal names. Names can be added by entering them into an input box, which checks their validity and displays red when the input is invalid. The input must contain the first and the last name, both beginning with a capital letter. If the input is valid, we can add it by clicking "Add". If a name already appears on the list, it is not added again.
html,CSS,Javascript please help me how to do this ? Make a pull-down menu that contains personal names. Names can be added by entering them into an input box, which checks their validity and displays red when the input is invalid. The input must contain the first and the last name, both beginning with a capital letter. If the input is valid, we can add it by clicking "Add". If a name already appears on the list, it is not added again.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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html,CSS,Javascript
please help me how to do this ?
Make a pull-down menu that contains personal names. Names can be added by entering them into an input box, which checks their validity and displays red when the input is invalid. The input must contain the first and the last name, both beginning with a capital letter. If the input is valid, we can add it by clicking "Add". If a name already appears on the list, it is not added again.
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