# Review for Challenge 4

### Description

Flashcards on Review for Challenge 4, created by Rosa Luz Estevané Rodríguez on 03/17/2020.
Flashcards by Rosa Luz Estevané Rodríguez, updated more than 1 year ago
 Created by Rosa Luz Estevané Rodríguez over 4 years ago
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## Resource summary

 Question Answer What is a radio button? What is a check box? How can you verify if a radio button is selected? With the property checked. Example: if (document.getElementById("male").checked == true) What will be the final value of amount after executing the code: var amount = 10 amount = amount + 20 amount = 30 As it had a value of 10 and it is used to accumulate 20 Common name of a device that detects a signal, that is a form of energy, and converts it to another Sensor Which are the sensors included in a phone? What is the purpose of the instruction Math.floor() ? Round down a number Example: The result of Math.floor(9.9) is 9 The instruction Math.floor (Math.random()*10)+1 will produce a random number in the range of: Numbers from 1 to 10 How would you generate a random number from 0 to 27 var number = Math.floor(Math.random()*28) Which are the parts of a for loop? for (var i=0; i

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