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let x = 2;
function simple() {
for (var i = 0; i < 10; i++) {
x = i;
assertEq(x, i);
}
}
function setname() {
function set(obj, v) {
with (obj) {
x = v;
}
}
set({}, 100)
assertEq(x, 100);
set({x: 1}, 0);
assertEq(x, 100);
set({__proto__: {x: 1}}, 13);
assertEq(x, 100);
}
function noshadow() {
for (var i = 0; i < 20; i++) {
x = i;
assertEq(x, i);
if (i == 10) {
globalThis.x = "haha";
assertEq(x, 10);
}
}
}
function uninitialized() {
for (var i = 0; i < 20; i++) {
var threw = false;
try {
undef = 2;
} catch {
threw = true;
}
assertEq(threw, true);
}
}
function simpleStrict() {
"use strict";
for (var i = 0; i < 10; i++) {
x = i;
assertEq(x, i);
}
}
// No with in strict!
function noshadowStrict() {
"use strict";
for (var i = 0; i < 20; i++) {
x = i;
assertEq(x, i);
if (i == 10) {
globalThis.x = "haha";
assertEq(x, 10);
}
}
}
function uninitializedStrict() {
for (var i = 0; i < 20; i++) {
var threw = false;
try {
undef = 2;
} catch {
threw = true;
}
assertEq(threw, true);
}
}
simple();
setname();
noshadow();
uninitialized();
simpleStrict();
noshadowStrict();
uninitializedStrict();
let undef = 42;
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