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?