optimize-globals-2.js (429B)
1 function testNaN(x) { 2 var x = NaN; 3 assertEq(isNaN(x), true); 4 } 5 testNaN(); 6 7 function testInfinity(x) { 8 return (x === Infinity); 9 } 10 assertEq(testInfinity(Infinity), true); 11 assertEq(testInfinity(6), false); 12 assertEq(testInfinity(-Infinity), false); 13 14 function testUndefined(x) { 15 return (x === undefined); 16 } 17 assertEq(testUndefined(undefined), true); 18 assertEq(testUndefined(), true); 19 assertEq(testUndefined(5), false);