Boolean vs !!. What is better for performance in JS?
16556
How do you performance test JavaScript code?
149302
Is Java's default value for Boolean 'true'?
32293
What's the difference between if(!$variable) and if(isset($variable))?
147362
Is ternary operator, if-else or logical OR faster in javascript?
10298
Difference between == and === in JavaScript
73203
String-bool comparsion - why?
76808
Meaning of ! in Java syntax
93360
Performance differences between equal (=) and IN with one literal value
64194
Are =, , ==, !=, &&, and || used for arithmetic expressions or conditional expressions?
100030
Why is 'false' used after this simple addEventListener function?
44146
Why do c++ programmers use != instead of <
144960
Why is Javascript's "in" operator consistently slower than strict member comparison to undefined?
57211
Is "else if" faster than "switch() case"?
130399
What is the difference between  and !=
50187
Which "if" construct is faster - statement or ternary operator?
97398
Is < faster than <=?
10259
Javascript: What's more efficient, IF block or TRY/CATCH?