Use includes () to check if a value exists in an array. It returns true or false. It also works with NaN. Use find () to get the first element that meets a specific condition. Your test function uses ...
𝗧𝗵𝗲 𝗗𝗮𝗬 𝗩𝗲𝗹𝗧𝗿𝗶𝗫 𝗦𝗲𝗮𝗿𝗰𝗵 𝗘𝗻𝗴𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗲𝗱 𝗧𝗼 𝗟𝗼𝗏𝗲 𝗥𝘂𝘀𝘁 We had a problem with our search engine. It was using too much memory during ...
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