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1 What does the term sticky session mean in a web-farm scenario? Why would you use a sticky session? What is the potential disadvantage of using a sticky session? 126
2 What is === operator ? 140
3 What are undefined and undeclared variables? 126
4 Does javascript have the concept level scope? 116
5 What is variable typing in javascript? 133
6 What is the difference between undefined value and null value? 108
7 What does undefined value mean in javascript? 113
8 How to select an element by id and swapping an image ? 117
9 What does javascript null mean? 122
10 How to comment javascript code? 103
 
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