JavaScript Developer I V2

Given HTML below: <div> <div id =”row-uc”> UniversalContainer</div> <div id =”row-aa”>Applied Shipping</div> <div id =”row-bt”> Burlington Textiles </div> </div> Which statement adds the priority = account CSS class to the universal Containers row?A . Document .querySelector(‘#row-uc’).classes.push(‘priority-account’);B . Document .queryElementById(‘row-uc’).addclass(‘priority-account’);C . Document .querySelector(‘#row-uc’).classList.add(‘priority-account’);D . Document .querySelectorALL(‘#row-uc’).classList.add(‘priority-account’);View AnswerAnswer: B

A test has a dependency on database.query. During the test the dependency is replaced with an object called database with the method, query, that returns an array. The developer needs to verify how many times the method was called and the arguments used each time. Which two test approaches describe...

Refer to code below: Function muFunction(reassign){ Let x = 1; var y = 1; if (reassign) { Let x= 2; Var y = 2; console.log(x); console.log(y);} console.log(x); console.log(y);} What is displayed when myFunction(true) is called?A . 2211B . 2 2 undefined undefinedC . 2212D . 2222View AnswerAnswer: C

Refer to the code: Given the code above, which three properties are set pet1? Choose 3 answers:A . NameB . canTalkC . TypeD . OwnerE . SizeView AnswerAnswer: B,C,E

Which three statements are true about promises? Choose 3 answersA . The executor of a new Promise runs automatically.B . A Promise has a .then() method.C . A fulfilled or rejected promise will not change states .D . A settled promise can become resolved.E . A pending promise canbecome fulfilled,...

Which statement phrases successfully?A . JSON.parse (‘ foo ’ );B . JSON.parse (“ foo ” );C . JSON.parse( “ ‘ foo ’ ” );D . JSON.parse(‘ “ foo ” ’);View AnswerAnswer: D

Cloud Kicks has a class to represent items for sale in an online store, as shown below: Class Item{ constructor (name, price){ this.name = name; this.price = price; } formattedPrice(){ return ‘s’ + String(this.price);}} A new business requirement comes in that requests a ClothingItem class that should have all of...

Refer to the code below: 01 const server = require(‘server’); 02 /* Insert code here */ A developer imports a library that creates a web server. The imported library uses events and callbacks to start the servers Which code should be inserted at the line 03 to set up an...

Consider type coercion, what does the following expression evaluate to? True + 3 + ‘100’ + nullA . 104B . 4100C . ‘3100null’D . ‘4100null’View AnswerAnswer: D

Refer to the code below: Function changeValue(obj) { Obj.value = obj.value/2; } Const objA = (value: 10); Const objB = objA; changeValue(objB); Const result = objA.value; What is the value of result after the code executes? A. 10 B. Nan C. 5 D. UndefinedView AnswerAnswer: C