Higher Test Marks with Free Online DEX602 Exam Practice

Refer to the code below?Let searchString = ' look for this ';Which two options remove the whitespace from the beginning of searchString?Choose 2 answers

A developer has a web server running with Node.js. The command to start the web server is node server.js. The web server started havinglatency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.Which command can the web developer run to see what the module is doing during the latency period?

Refer to the code below:const event = new CustomEvent(//Missing Code);obj.dispatchEvent(event);A developer needs to dispatch a custom event called update to send information aboutrecordId.Which two options could a developer insert at the placeholder in line 02 to achieve this?Choose 2 answers

Refer to the code below:Const myFunction = arr => {Return arr.reduce((result, current) =>{Return result = current;}, 10};}What is the output of this function when called with an empty array ?

A developer has two ways to write a function:Option A:function Monster(){this.growl = ()=>{console.log('Grr!');}}Option B:function Monster(){};Monster.prototype.growl = ()=>{console.log('Grr!');}After deciding on an option, the developer creates 1000 monster objects.How many growl methods are created with Option A and Option B?