JavaScript-Developer-I Exam Question 26

Refer to the code below?
Let searchString = ' look for this ';
Which two options remove the whitespace from the beginning of searchString?
Choose 2 answers
  • JavaScript-Developer-I Exam Question 27

    Universal Container(UC) just launched a new landing page, but users complain that the website is slow. A developer found some functions that cause this problem. To verify this, the developer decides to do everything and log the time each of these three suspicious functions consumes.
    console.time('Performance');
    maybeAHeavyFunction();
    thisCouldTakeTooLong();
    orMaybeThisOne();
    console.endTime('Performance');
    Which function can the developer use to obtain the time spent by every one of the three functions?
  • JavaScript-Developer-I Exam Question 28

    In the browser, the window object is often used to assign variables that require the broadest scope in an application Node.js application does not have access to the window object by default.
    Which two methods are used to address this ?
    Choose 2 answers
  • JavaScript-Developer-I Exam Question 29

    Refer to the code below:

    Which two function can replace line 01 and return 58 to sum? Choose 2 answers
  • JavaScript-Developer-I Exam Question 30

    Refer to the code below:

    What is result of the code block?