id[0] and id[1];
1 or 2;
"str" ==1;
1*1/1+1;
2*3*4/1-2+3;
1-1+20-2*10;
1+s1*(s2+s3[0])-1;
var e=1+s1*(s2+s3[0])-1;
id;
"str";
id(id);
id("str",1,1);
var e=1;
var x=10*2-20;
var id;
var id=[1,2,3,4];
var id={id:"str"};
id();
id.id();
id.id.id();
id[0].id.id(id,"str",1,2,3,4).id[10];
id(0)[1].id;
var hash={
   h:"hello",
   parent:[id],
};
function_test([1,2,3,4,55],1,2,3,{str:"str"});