JavaScript Fundamentals
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'null'
'undefined'
'object'
'number'
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array.unshift()
array.push()
array.shift()
array.pop()
Correct answer for #2
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No difference
'===' checks type and value, '==' only checks value
'==' is faster than '==='
'===' is deprecated
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Correct answer for #4
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Correct answer for #5
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Correct answer for #6
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Correct answer for #7
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Correct answer for #8
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Correct answer for #9
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Correct answer for #10
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