[ISDP] 20170420 Form validation

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[Exercise] Essay (Open question) - asked in 2016-2 CSIEB0270 - Internet System Design and Practice by (18k points)
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<!DOCTYPE html>

<html>
** * **** **
* *********

function validateForm() {
** ** * ********* * * x = *** *** * * * * ** * * ** * * *
**** * ** **** ** (x == ** * **** {
*** * **** * * * * * * * * **** ** * * ** * must be filled out");
* * *** * ** * ** * * ** ** ** *** ******** * false;
** ** ***** * ** *

}
*** ** * * * **
* *** * *** *
**** *** * ***



<form *** * *** * * ** *** **** ****** * * ** *
** * * ** * * ** *** *** * *** * ** * *

Name: <input * ** **** ** *** *** * * * * ** ** * *

<input * ** * * ** ** *** * * * * ***
*** * * * * *


** * *** ****
* ** * * **
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