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Statements

The syntaxes for the various statements in WebGL Shading Language share some similarities with the C syntaxes.

Function Call returnType functionName([type0 arg0][, type1 arg1]......){...}
Iteration for(...;...;...){...};
while (...){...};
do {...}while(...);
Selection if (...){...}
if (...){...}else{...}
Jump break, continue, return,
discard // used in the fragment shader to skip the current fragment operation
Entry void main(...){...}