JavaScript Interview Questions and Answers

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Ques 51. Name the numeric constants representing max,min values?

Number.MAX_VALUE
Number.MIN_VALUE

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Ques 52. What does javascript null mean?

The null value is a unique value representing no value or no object.
It implies no object,or null string,no valid boolean value,no number and no array object.

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Ques 53. How do you create a new object in JavaScript?

var obj = new Object(); or var obj = {};

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Ques 54. How do you assign object properties?

obj["age"] = 17 or obj.age = 17.

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Ques 55. What�s a way to append a value to an array?

arr[arr.length] = value;

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JavaScript Interview Questions and Answers

Related differences

Ques 51. Name the numeric constants representing max,min values?

Ques 52. What does javascript null mean?

Ques 53. How do you create a new object in JavaScript?

Ques 54. How do you assign object properties?

Ques 55. What�s a way to append a value to an array?

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