Which of the following is true about variables in JavaScript? A) A global variable at the top of a web page is accessible on all web pages in the web site. B) A variable declared inside a function is not accessible outside the scope of the function. C) The same variable name cannot be used inside different functions. D) A local variable will still be usable after the function where it is defined completes.
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11) Which of the following is true about variables in JavaScript?
A) A global variable at the top of a web page is accessible on all web pages in the web site.
B) A variable declared inside a function is not accessible outside the scope of the function.
C) The same variable name cannot be used inside different functions.
D) A local variable will still be usable after the function where it is defined completes.
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- What is a stub? Group of answer choices A stub is an inline function with a single line that simply sends a "Hello" message to others, indicating that it has been activated. A stub is a function that has an empty body. It will be developed later. A stub is an inline function with a single line that simply increases the pass in value by one. A stub is a function with a single line that simply prints the name of the function, indicating that it has been activated. A stub is a short function that will generate an error message.Assume the following JavaScript program was interpreted using staticscoping rules. What value of x is displayed in function sub1? Underdynamic-scoping rules, what value of x is displayed in function sub1?var x;function sub1() {document.write("x = " + x + "");}function sub2() {var x;x = 10;sub1();}x = 5;sub2();Create a JavaScript Arrow function that meets the following requirements: • Authored using arrow expression syntax (constant name is _replaceCharacter) • The function is passed 1 string argument • The function returns to the caller a new version of source string where: o All character occurrences that match the first character are replaced with ‘*’ o The function is case sensitive (for example ‘a’ != ‘A’) o The first character is never replaced (only subsequent characters after the first) • Console log output is NOT permitted. • The function should pass each of the illustrated examples below at a minimum
- Instruction: Please write this code in javascript and let me know if there is an issue. Can you post the output together please? 1. You are to create ONE JavaScript file which must be named -problems.js, where STUDENT_ID represents your student number. 2. The implementation for your 5 JavaScript functions must be completed within your - problems.js file. 3. Your JavaScript functions file must be configured for strict mode (“use strict”) The pages that follow provide the description of the 5 JavaScript functions that you must implement Questions 1. Description a). You are to develop a JavaScript file (problems.js) that contains the implementation of 5functions. Each function is represented as one step,b). Each function is independent and solves a unique problem, as such, treat and implement each function in isolation of the others, that is, you should only focus on one problem at a time. 2). Objective • Write decision-making statements and control structures to solve problems• Apply…1) Assume aa is a dynamic variable of double type, and has been allocated memory to hold a double type number. Which of following releases the dynamic variable? Question options: a. delete aa; b. delete [] aa; c. delete aa[]; d. free [] aa; 2) For IEEE 754 single precision floating point numbers, what is the exponent of a denormalized floating point number in decimal ? Question options: a. -126 b. -127 c. 126 d. 1272. David is used to doing programming in Python and since the print() function in Python by default prints a newline after printing the string passed to the print() function. But in his current project, he is using PHP programming language and the echo function does not print a newline by default after the end of the string. So, he often misses giving a newline after printing a message. Help David by writing a function myecho() that takes a string as a parameter and also prints a newline after printing the string.
- Define 3 new functions of your choice and include comments on what your written function does.Retrieve information from this webpage "https://www.chewy.com/b/dry-food-294", Dry Dog Food. The information you need is 1) the brand and the name of the products, 2) the price for auto ship, and 3) the regular price. For Q1 and Q2, you may need the function trimws() or gsub() to remove unwanted characters.Which of following correctly declares and creates a dynamic double type array, aa, of size 20? Question 80 options: A. double* aa; aa = new int[5]; B. double* aa= new double[5]; C. double aa*; aa = new int[20]; D. double* aa= new double[20]; Which statement is true about static typing? A. the binding of a function call and the function definition occurs at compile time B. the binding of a function call and the function definition occurs at run time C. the binding of the type of a variable and the variable name occurs at run time D. the binding of the type of a variable and the variable name occurs at compile time
- Javascript I am stuck on a piece of code and I can quite figure out how to finish one part of this function. This is what I have so far: const usersTestArray = [ {id: "1", name: "Joe Graham", option: "option1"}, {id: "2", name: "Kyle Howell", option: "option2"}, {id:"3", name: "Lucy Bauch", option: "option3"}, {id: "4", name: "Sammie Lebsack", option: "option4"} ] const createSelectOptions = (usersTestArray) => { if(!usersTestArray){ return undefined } return userTestArray.map((x) => x.option) } Most of this is correct, however, in the function above, I need to add a create an option element for each user in the array with document.createElement(). I then need to assign the user.id to option.value and the user.name to option.textContent. then it is supposed to return an array of option elements.12. John is used to doing programming in Python and since the print() function in Python by default prints a newline after printing the string passed to the print() function. But in his current project, he is using PHP programming language and the echo function does not print a newline by default after the end of the string. So, he often misses giving a newline after printing a message. Help David by writing a function myecho() that takes a string as a parameter and also prints a newline after printing the string.C++ please Redo so that all the named constants are defined in a namespace royaltyRates. A new author is in the process of negotiating a contract for a new romance novel. The publisher is offering three options. In the first option, the author is paid $5,000 upon delivery of the final manuscript and $20,000 when the novel is published. In the second option, the author is paid 12.5% of the net price of the novel for each copy of the novel sold. In the third option, the author is paid 10% of the net price for the first 4,000 copies sold, and 14% of the net price for the copies sold over 4,000. The author has some idea about the number of copies that will be sold and would like to have an estimate of the royalties generated under each option. Write a program that prompts the author to enter the net price of each copy of the novel and the estimated number of copies that will be sold. The program then outputs the royalties under each option and the best option the author could choose. (Use…