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[General] Quiz Latest Salesforce - JavaScript-Developer-I - Passing Salesforce Certified J

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【General】 Quiz Latest Salesforce - JavaScript-Developer-I - Passing Salesforce Certified J

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q185-Q190):NEW QUESTION # 185
Refer to the string below.
Const str='Salesforce';
Which two statements results in the word 'Sales'?
Answer:
Explanation:
Str.substring(0,5);
Str.substr(0,5);

NEW QUESTION # 186
A developer at Universal Containers creates a new landing page based on HTML, CSS, and
JavaScript TO ensure that visitors have a good experience, a script named personaliseContext
needs to be executed when the webpage is fully loaded (HTML content and all related files ), in
order to do some custom initialization.
Which statement should be used to call personalizeWebsiteContent based on the above
business requirement?
  • A. window.addEventListener('load',personalizeWebsiteContext);
  • B. Document.addEventListener('''DOMContextLoaded' , personalizeWebsiteContext);
  • C. window.addEventListener('onload', personalizeWebsiteContext);
  • D. document.addEventListener(''onDOMContextLoaded', personalizeWebsiteContext);
Answer: A

NEW QUESTION # 187
Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?
  • A. Greeting is Goodbye and salutation is Hello, Hello.
  • B. Greeting is Hello and salutation is I say hello.
  • C. Greeting is Hello and salutation is Hello, Hello.
  • D. Greeting is Goodbye and salutation is I say Hello.
Answer: C

NEW QUESTION # 188
A team that works on a big project uses npm to deal with projects dependencies.
A developer added a dependency does not get downloaded when they execute npm
install.
Which two reasons could be possible explanations for this?
Choose 2 answers
  • A. The developer added the dependency as a dev dependency, and
    NODE_ENV is set to production.
  • B. The developer added the dependency as a dev dependency, and
    NODE_ENV
    Is set to production.
  • C. The developer missed the option --add when adding the dependency.
  • D. The developer missed the option --save when adding the dependency.
Answer: A,B,D

NEW QUESTION # 189
Refer to the code below:
console.log(''start);
Promise.resolve('Success') .then(function(value){
console.log('Success');
});
console.log('End');
What is the output after the code executes successfully?
  • A. StartSuccessEnd
  • B. EndStartSuccess
  • C. StartEndSuccess
  • D. SuccessStartEnd
Answer: C

NEW QUESTION # 190
......
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