Why undefined behavoir is true in if statement?
25704
Undefined, unspecified and implementation-defined behavior
665
Which equals operator (== vs ===) should be used in JavaScript comparisons?
135685
Arguments to If[] are not evaluated
7276
Code executes condition wrong?
4631
Brackets in if condition: why am I getting syntax errors without whitespace?
56892
#if DEBUG vs. Conditional("DEBUG")
50708
How to use OR condition in a JavaScript IF statement?
106583
Why does !new Boolean(false) equals false in JavaScript?
19240
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(()); solve it?
139105
Difference between if () { } and if () : endif;
10298
Difference between == and === in JavaScript
140931
What is the difference between if(!!condition) and if(condition)
147617
Javascript ternary operator
50416
What does the >?= operator mean?
117657
Why does javascript accept commas in if statements?
27627
Confusion with the assignment operation inside a falsy `if` block
105797
Why can't we define a variable inside an if statement?