// "x" should be defined everywhere"x()
functionx() {
x()
}
// "expr" should only be defined within// itself, along with "a" and "b"dosomething(functionexpr(a, b) {
if(true) {
for(var x = 0; x < 10; ++x) {
try {
Math.max(x, 1)
} catch(err) {
var l1 = 1
}
}
}
})