Javascript Course 2022

What is Javascript?

• The same as Java

• Artificial Intelligence

• A programming language used mainly in dynamic web sites

• A coffe machine used to feed programmers

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What Javascript is?

What is the name of the Javascript standard that ensure the interoperability of web pages across different web browsers?

• WWF

• ECMA Script

• Microsoft

• JStandardize

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What Javascript is?

What it the main purpose of Javascript?

• Build interactive web pages, web applications or web games

• Build a Powerpoint presentation

• Make some coffe for programmers

• Help you make friends

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usage of javascript

Which one IS NOT a primitive value iin Javascript?

• Boolean

• Null

• String

• Short

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declaration

Which delimiiter you need to use to separate properties while defining a object?

• = (equal)

• , (comma)

• : (colon)

• ? (question mark)

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declaration

Which iteration assures that a statement is executed at least one time?

• for

• while

• iterate

• do...while

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control flow

In which position you can find the first element of an Array?

• 1

• 0

• -1

• first

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indexed collection

In which Javascript data structure elements cannot contains duplicates?

• String

• Map

• ECMA Script

• Set

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keyed collection

Whict String method you should use to remove trailing and leading whitespace in a text?

• unblank

• removeSpaces

• noTrailLead

• trim

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text format