codeql/javascript/ql/test/query-tests/LanguageFeatures/ExpressionClosures/foreach.js

var sum = 0;
var obj = {prop1: 5, prop2: 13, prop3: 8};

for each (var item in obj) {
  sum += item;
}

console.log(sum); // logs "26", which is 5+13+8

//semmle-extractor-options: --experimental