MCQs > IT & Programming > E4X (ECMAScript For XML) > What will be the output of the following code snippet? var customer = 888-555-1212 888-555-2121 mobile ; alert(customer.childIndex());

E4X (ECMAScript For XML) MCQs

What will be the output of the following code snippet?
 var customer =
  888-555-1212
  888-555-2121
  mobile
;
 alert(customer.childIndex());

Answer

Correct Answer: NaN

Explanation:

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E4X (ECMAScript For XML) Skill Assessment

Overall Skill Level-Poor

Your Skill Level: Poor

Retake Quizzes to improve it