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GyanMul Prep · NEB +2 · Grade 12

Computer Science (Grade 12)

Everything on these tabs is Computer Science (Grade 12) only, within NEB +2 Grade 12.

Grade 12 subjects

GyanMul Prep · NEB +2 · Grade 12

Computer Science (Grade 12)

Everything on these tabs is Computer Science (Grade 12) only, within NEB +2 Grade 12.

Grade 12 subjects

Chapter 12 of 26 · Computer Science (Grade 12)

JavaScript: Functions, Arrays and Form Validation

8 topics
Board exam — Web Technology II, 8 marks across 4 chapters
12 solved questions

Putting JavaScript to work: a function that can be called again, an array that holds many values, and the validation that stops a bad form reaching the server.

Practise this chapter Read solved questions

Topics

What the syllabus defines for this chapter

1Defining and calling a function; parameters and return values
2Built-in functions and user-defined functions
3Arrays: declaring, initialising and traversing
4Common array methods
5String handling in JavaScript
6Events and event handlers: onclick, onload, onsubmit and onchange
7Form validation with JavaScript
8Writing a script to solve a small problem, such as finding the smallest of three numbers