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ITI COPA MCQ | JavaScript and Creating Web Page | Page 3

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NCVT AITT (All India Trade Test) CBT exam Practice COPA trade MCQ (Multiple choice Question) JavaScript and Creating Web Page online. Also you can practice mock test exam online.

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31.
Which data type in javascript returns the value ‘True’ or ‘False’?

32.
Which operator is used to check both value and type in javascript?

33.
Which assignment operator is equivalent to a = a * 5?

34.
Which single charcter escape sequence represents ‘line feed’’ javascript?

35.
What is the purpose of Initialisation part in’for’ loop?

36.
Which keyboard in switch case statement specifies the code to run if there is no casematch?

37.
Which statement is used to test a block of code for errors?

38.
Which statement is used to handle the error?

39.
Which statement is used create custom error in javascript?

40.
Which statement is used to execute code after try and catch?

41.
Which error indicates that the numbers is outside the range of legal values?

42.
Which error indicates that the variable used is not declared?

43.
Which error indicates that the value is outside the range of expected type?

44.
Which is used to access individual value in an array?

45.
What is the purpose of length property in array?

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