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Question 67/146
Given the expressions var1 and var2, what are two valid ways to return the concatenation of the two expressions and ensure it is string? Choose 2 answers
Correct Answer: A,C
- Question List (146q)
- 3 commentQuestion 1: Refer to the code below: (Exhibit) What is the value of resu...
- Question 2: A developer is wondering whether to use, promise, then or pr...
- 1 commentQuestion 3: Refer to the code below: (Exhibit) Which two statements corr...
- Question 4: Refer to the code below: (Exhibit) After running this code, ...
- Question 5: A developer wants to iterate through an array of objects and...
- 2 commentQuestion 6: Considering the implications of 'use strict' on line 04, whi...
- Question 7: Refer to the code below: let o = { get js() { let city1 = St...
- Question 8: Refer to the code below: (Exhibit) What is the value of resu...
- Question 9: A developer creates a simple webpage with an input field. Wh...
- 2 commentQuestion 10: Refer to the code snippet below: Let array = [1, 2, 3, 4, 4,...
- 1 commentQuestion 11: A developer wants to create an object from a function in the...
- 1 commentQuestion 12: Refer to the following code: (Exhibit) Which two statements ...
- Question 13: Why would a developer specify a package as the package.json ...
- Question 14: Refer to the code below: 01 let car1 = new promise((_, rejec...
- Question 15: Universal Container(UC) just launched a new landing page, bu...
- Question 16: Given the following code: (Exhibit) What is the logged by th...
- Question 17: A developer creates a class that represents a blog post base...
- Question 18: Refer to the code below: Async funct on functionUnderTest(is...
- Question 19: developer removes the HTML class attribute from the checkout...
- 2 commentQuestion 20: Which statement can a developer apply to increment the brows...
- 1 commentQuestion 21: Refer to the code below: (Exhibit) Which assertion accuratel...
- 1 commentQuestion 22: Refer to the following code: (Exhibit) What is returned by t...
- Question 23: The developer wants to test the array shown: const arr = Arr...
- Question 24: Refer to the code below: (Exhibit) A developer needs to disp...
- Question 25: A developer creates a simple webpage with an input field. Wh...
- 1 commentQuestion 26: Which option is a core Node;js module?...
- Question 27: Given the requirement to refactor the code above to JavaScri...
- Question 28: Which two console logs output NaN? Choose 2 answers | |...
- Question 29: Given the requirement to refactor the code above to JavaScri...
- Question 30: Which statement accurately describes the behavior of the asy...
- 2 commentQuestion 31: What are two unique feature of function defined with a fat a...
- Question 32: Given the code below. (Exhibit) What is logged to the consol...
- Question 33: At Universal Containers, every team has its own way of copyi...
- 1 commentQuestion 34: A developer wants to set up a secure web server with Node.js...
- Question 35: A developer has two ways to write a function: Option A: func...
- Question 36: A developer is required to write a function that calculates ...
- Question 37: Refer to the code below: Let car1 = new Promise((_ , reject)...
- Question 38: A developer wants to leverage a module to print a price in p...
- Question 39: Given the following code: document.body.addEventListener(' c...
- Question 40: A developer is trying to handle an error within a function. ...
- Question 41: A developer wants to define a function log to be used a few ...
- 1 commentQuestion 42: A developer creates an object where its properties should be...
- 3 commentQuestion 43: A developer has code that calculates a restaurant bill, but ...
- 2 commentQuestion 44: Refer to the code below: Const myFunction = arr => { Retu...
- Question 45: Refer to the code below: (Exhibit) What value can a develope...
- Question 46: Refer to the code below: (Exhibit) What is the value of foob...
- Question 47: A developer needs to debug a Node.js web server because a ru...
- Question 48: Refer to the following code block: (Exhibit) What is the val...
- Question 49: A developer is setting up a new Node.js server with a client...
- 1 commentQuestion 50: Refer to the code below: (Exhibit) Which statement allows a ...
- Question 51: A developer has an ErrorMandler module that contains multipl...
- 2 commentQuestion 52: Refer to the code below: (Exhibit) What are the value of obj...
- Question 53: is below: <input type="file" onchange="previewFile()">...
- Question 54: A developer creates a class that represents a blog post base...
- 1 commentQuestion 55: Refer to the following code: (Exhibit) What will the console...
- Question 56: Refer to code below: Function muFunction(reassign){ Let x = ...
- Question 57: Refer to the code below: function foo () { const a =2; funct...
- Question 58: Refer to the code below: (Exhibit) Line 05 causes an error. ...
- Question 59: A developer wants to use a try...catch statement to catch an...
- 2 commentQuestion 60: Given the code below: (Exhibit) Which method can be used to ...
- 1 commentQuestion 61: Refer to the code below: 01 const exec = (item, delay) =>...
- Question 62: Given the following code: (Exhibit) What is the output of li...
- Question 63: Refer to the code below: console.log(''start); Promise.resol...
- Question 64: Refer to the HTML below: <p> The current status of an ...
- 1 commentQuestion 65: A developer is working on an ecommerce website where the del...
- Question 66: Refer to the code below: Async funct on functionUnderTest(is...
- 3 commentQuestion 67: Given the expressions var1 and var2, what are two valid ways...
- Question 68: What is the result of the code block?...
- Question 69: developer wants to use a module named universalContainersLib...
- Question 70: Universal Containers (UC) notices that its application that ...
- Question 71: A developer wrote the following code: 01 let X = object.valu...
- Question 72: A developer implements a function that adds a few values. (E...
- 1 commentQuestion 73: A developer creates a generic function to log custom message...
- 2 commentQuestion 74: A developer has a formatName function that takes two argumen...
- 1 commentQuestion 75: Refer to the following code that imports a module named Util...
- 1 commentQuestion 76: Which statement can a developer apply to increment the brows...
- Question 77: Given the requirement to refactor the code above to JavaScri...
- 1 commentQuestion 78: A developer uses a parsed JSON string to work with user info...
- 1 commentQuestion 79: A developer creates a generic function to log custom message...
- Question 80: A developer has code that calculates a restaurant bill, but ...
- Question 81: A developer wrote a fizzbuzz function that when passed in a ...
- Question 82: A developer is asked to fix some bugs reported by users. To ...
- 1 commentQuestion 83: Refer to the following array: Let arr1 = [1, 2, 3, 4, 5]; Wh...
- Question 84: Refer to the code below: (Exhibit) A developer uses a client...
- Question 85: Refer to the code below: let sayHello = () => { console.l...
- Question 86: Refer to the code below: Let str = 'javascript'; Str[0] = 'J...
- Question 87: Why would a developer specify a package.jason as a developed...
- Question 88: A developer wants to use a module named universalContainerLi...
- Question 89: A developer has two ways to write a function: (Exhibit) Afte...
- Question 90: A developer at Universal Containers creates a new landing pa...
- 1 commentQuestion 91: Refer to the following code: (Exhibit) Which statement shoul...
- Question 92: Refer to the following array: Let arr1 = [ 1, 2, 3, 4, 5 ]; ...
- Question 93: Which statement accurately describes an aspect of promises?...
- Question 94: Refer to the following code that imports a module named util...
- 1 commentQuestion 95: Refer to code below: function Person() { this.firstName = 'J...
- Question 96: Refer to the code below: Let car1 = new Promise((_ , reject)...
- 1 commentQuestion 97: Which three browser specific APIs are available for develope...
- Question 98: The developer wants to test this code: Const toNumber =(strO...
- 1 commentQuestion 99: A developer receives a comment from the Tech lead that the c...
- Question 100: is below: <input type="file" onchange="previewFile()">...
- 1 commentQuestion 101: A developer is leading the creating of a new browser applica...
- 2 commentQuestion 102: Refer to the code below: Function changeValue(obj) { Obj.val...
- Question 103: A team that works on a big project uses npm to deal with the...
- 1 commentQuestion 104: Refer to the code snippet: (Exhibit) A developer writes this...
- Question 105: A developer writers the code below to calculate the factoria...
- Question 106: Refer to the code below: What is the output after the code e...
- Question 107: A developer wants to create a simple image upload in the bro...
- Question 108: Refer to the expression below: Let x = ('1' + 2) == (6 + 2) ...
- Question 109: Refer to following code: class Vehicle { constructor(plate) ...
- Question 110: A developer implements and calls the following code when an ...
- Question 111: Given the following code: (Exhibit) is the output of line 02...
- Question 112: A developer creates a new web server that uses Node.js. It i...
- Question 113: Refer to the HTML below: <div id="main"> <ul> &l...
- Question 114: developer wants to use a module named universalContainersLib...
- Question 115: Given the code below: 01 function GameConsole (name) { 02 th...
- Question 116: A developer is asked to fix some bugs reported by users. To ...
- Question 117: Teams at Universal Containers (UC) work on multiple JavaScri...
- 1 commentQuestion 118: Which option is true about the strict mode in imported modul...
- 1 commentQuestion 119: A developer implements a function that adds a few values. Fu...
- Question 120: Refer to code below: Let a ='a'; Let b; // b = a; console.lo...
- Question 121: Which code statement below correctly persists an objects in ...
- 1 commentQuestion 122: The developer wants to test the code: Const toNumber = (strO...
- Question 123: Which statement parses successfully?...
- Question 124: A developer wants to literate through an array of objects an...
- Question 125: Given the code below: Function myFunction(){ A =5; Var b =1;...
- Question 126: A developer is working on an ecommerce website where the del...
- Question 127: Refer to the following code: function test (val) { If (val =...
- Question 128: Given the requirement to refactor the code above to JavaScri...
- Question 129: Which function should a developer use to repeatedly execute ...
- Question 130: Which statement accurately describes an aspect of promises?...
- Question 131: A developer wants to create an object from a function in the...
- Question 132: A test has a dependency on database. query. During the test,...
- Question 133: Given code below: setTimeout (() => ( console.log(1); ). ...
- 1 commentQuestion 134: Refer to the following array: Let arr = [1, 2, 3, 4, 5]; Whi...
- 1 commentQuestion 135: Refer to the code below: (Exhibit) A developer import a libr...
- Question 136: Given the HTML below: (Exhibit) Which statement adds the pri...
- Question 137: A team that works on a big project uses npm to deal with pro...
- Question 138: Refer to the code below: Const pi = 3.1415326, What is the d...
- Question 139: Universal Container(UC) just launched a new landing page, bu...
- 1 commentQuestion 140: Refer to the code below. (Exhibit) After changing the string...
- Question 141: Refer to the following code: (Exhibit) What is the output of...
- Question 142: A developer wants to set up a secure web server with Node.js...
- Question 143: A developer needs to test this functions: (Exhibit) Which tw...
- Question 144: Given the code below: (Exhibit) Which method can be provide ...
- Question 145: Given the following code: Let x =('15' + 10)*2; What is the ...
- Question 146: Refer to the code below: <html lang="en"> <table on...
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Recent Comments (The most recent comments are at the top.)
Answer is BC
var var1 = 1;
var var2 = 2;
String(var1).concat(var2); // '12'
var1 + var2; // 3
String.concat (var1 + var2); // String.concat is not a function
var1.toString () + var2.toString () // '12'
The answer should be B,D.
B-
var var1='a'; var var2='b';
String(var1).concat(var2);
'ab'
D-
var var1='a'; var var2='b';
var1+var2;
'ab'