Quiz

Intro to JavaScript + Data Types and Variables I

Code Ramp 5 perguntas

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Perguntas do quiz (5)

1Which of the following are examples of computer programs?
1. AYour browser
2. BA video game
3. CMicrosoft excel
4. DYour operating system
2Which command serves as a good debugging tool by printing something to the JavaScript console?
1. Aprompt()
2. Bconsole.log()
3. Calert()
3Which of the following is not a JavaScript primitive data type?
1. AString
2. BBoolean
3. CDecimal
4. DNull
4Which of the below demonstrates good variable naming conventions?
1. Avar #1bestnameever = "Bob";
2. Bvar firstName = "Bob";
3. Cvar n = "Bob";
4. Dvar first name = "Bob";
5If we've created a variable which contains a string value (e.g. var courseName = "Code Ramp"), how can we find the first character of that string (e.g. "C")?

(Hint: We're using indexing here!)
1. AcourseName[1]
2. BcourseName[0]
3. CcourseName[5]
4. DcourseName[-1]

Descrição: Quiz sobre Intro to JavaScript + Data Types and Variables I, criado por Code Ramp em 10-04-2018.
Autor: Code Ramp
Idioma: English
Visualizações: 38
Etiquetas: toefl
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