They will surely help you in your daily JavaScript practices.
#1 Place Scripts at the Bottom of Your Page
#2 Use === Instead of ==
#3 Comment Your Code
#4 Use [] Instead of New Array()
#5 Long List of Variables? Omit the “Var” Keyword and Use Commas Instead
#6 Always, Always Use Semicolons
#7 Declare Variables Outside of the For Statement
#8 Don’t Pass a String to “SetInterval” or “SetTimeOut”
#9 “For in” Statements
#10 Remove “Language”
To know more about it, read Basic Tips for JavaScript Beginners
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