Title
Hello azula
{"ScriptPreparationCode":"const cache = new Map();\r\n\r\n function $(selector) {\r\n if (cache.has(selector)) {\r\n return cache.get(selector);\r\n }\r\n\r\n let cached = document.querySelector(selector);\r\n cache.set(selector, cached);\r\n return cached\r\n };","TestCases":[{"Name":"querySelector","Code":"const selector1 = document.querySelector(\u0022.about-shop\u0022);\r\nconst selector2 = document.querySelector(\u0022.about-shop\u0022);\r\nconst selector3 = document.querySelector(\u0022.about-shop\u0022);","IsDeferred":false},{"Name":"querySelector \u002B cache with Map","Code":"const selector1 = $(\u0022.about-shop\u0022);\r\nconst selector2 = $(\u0022.about-shop\u0022);\r\nconst selector3 = $(\u0022.about-shop\u0022);","IsDeferred":false}]}