Files
UglifyJS/test/compress/issue-1770.js
Alex Lam S.L 59a4e56bc8 fix mangleProperties of undefined & Infinity (#1772)
`NaN` already works by the happy accident of `Number.NaN`

fixes #1770
2017-04-03 12:31:05 +08:00

49 lines
1.0 KiB
JavaScript

mangle_props: {
mangle_props = {}
input: {
var obj = {
undefined: 1,
NaN: 2,
Infinity: 3,
"-Infinity": 4,
};
console.log(
obj[void 0],
obj[undefined],
obj["undefined"],
obj[0/0],
obj[NaN],
obj["NaN"],
obj[1/0],
obj[Infinity],
obj["Infinity"],
obj[-1/0],
obj[-Infinity],
obj["-Infinity"]
);
}
expect: {
var obj = {
undefined: 1,
NaN: 2,
Infinity: 3,
"-Infinity": 4,
};
console.log(
obj[void 0],
obj[void 0],
obj["undefined"],
obj[0/0],
obj[NaN],
obj["NaN"],
obj[1/0],
obj[1/0],
obj["Infinity"],
obj[-1/0],
obj[-1/0],
obj["-Infinity"]
);
}
expect_stdout: true
}