JavaScript is a valuable tool, but can also be used to write and distribute viruses. Name three features of JavaScript that allow it to be easily used for ill will.
What will be an ideal response?
Student answers will vary.
- JavaScript gives HTML designers an easy-to-use programming tool which means more people can have access to this tool -- for positive or negative uses.
- JavaScript can put dynamic text into an HTML page, including inaccurate text or message alerts.
- JavaScript can react to events, for example, to execute a script when a page has finished loading or when a user clicks on an HTML element. This script can be malicious.
- JavaScript can be used to validate data, and can also let inaccurate data through.
- JavaScript can be used to detect the visitor's browser, and therefore take advantage of any security vulnerabilities of that browser.
- JavaScript can be used to create cookies, which means it can be used to store and retrieve information on the visitor's computer, which is a security vulnerability.
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Fill in the blank(s) with the appropriate word(s).