column-number.js (215B)
1 function f() { return g(abcd => Error()); } 2 function g(x) { return x(); } 3 var err = f(1, 2); 4 var lines = err.stack.split("\n"); 5 assertEq(lines[0].endsWith(":1:33"), true); 6 assertEq(lines[1].endsWith(":2:24"), true);