javascript - Difference between if (x) { foo(); } and x ? foo() : 0; -

snippet 1:

if ( x ) {      foo(); }

snippet 2:

x ? foo() : 0;

what differences between 2 snippets?

edit: corrected syntax error.

update: btw, seems there shorter notation:

x && foo();

generally, if statement (e.g. can't assign variable) , ternary operator ?: part of expression (yields value can assigned variables).

also, if block can contain statements while components of ?: can contain expressions.

in example give, there no difference, since don't use result of ?:. both snippets evaluate foo() if x true value.

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