HTML and JavaScript Final Exam Questions and Answers | Rated A+
HTML and JavaScript Final Exam Questions and Answers | Rated A+ Objects are a ________ data type - Correct Answer️️ -complex Objects are a collection of ______ pairs called ______ - Correct Answer️️ -Key:Value, Properties var person = { name:"Ben", hometown:"Weston", occupation:"Instructor", } Identify the values in this object - Correct Answer️️ -"Ben", "Weston", "Instructor" var person = { name:"Ben", hometown:"Weston", occupation:"Instructor", } How would you access "Weston" from this object? - Correct Answer️️ - own or person['hometown'] var obj = { a:'1', b:'2', c:'3', } for (var key in obj) { (?) } Replace the ? to print out one value per loop from the object - Correct Answer️️ - obj[key] What is the first index of an array? - Correct Answer️️ -0 var array = [243, "hey", false, 1]; How would you access "hey" from this array? - Correct Answer️️ -array[1]; Arrays use _______ Notation to access individual elements. - Correct Answer️️ - Bracket How would you access the last element of any array? var array = [...] var lastElement = ???; - Correct Answer️️ -array[h - 1]; var grades = [85, 67, 93, 79, 88, 72, 59, 95, 76]; I want to add 5 points to each of these grades. What is the best way to do this? How will you change each element of the array? - Correct Answer️️ -Use a for loop to iterate through each index of the array and modify each element of the array using grades[i] += 5; for (var i = 0; i < 20; i++) { (i);} What is initialization statement? - Correct Answer️️ -var i =
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