Search results for #javascriptwtf
[] == false → true [] === false → false !![] → true Why? Because coercion. JS tries to help you. Sometimes… too much. #javascriptwtf
JavaScript: it works… until it doesn’t. From '5' + 1 = 51 to NaN !== NaN — pure chaos, and we still love it! 😅 Tag a dev who gets the JS pain! #JavaScriptWTF #CodingHumor #DevLife #JSLogic #FrontendChaos #Decotechs
Sometimes I dip my old coder's toes in the fresh, warm JavaScript programming waters, but then something like "yes, Math.pow(2, 33) >> 1 is 0" comes along and bites them off. #stretchthatmetaphor #bitwiseis32bit #javascriptwtf
Javascript being javascript again. What will the result be? #javascriptWTF #100DaysOfCode #coding
You have the following code. What will the result be and why? #javascript #javascriptWTF #webdev
#JavaScriptWTF myVar = '42' + '8' + '€'; myVar is : "428€" myVar2 = +'42' + +'8' + '€'; myVar2 is : "50€"
#JavaScriptWTF var myNum = 1.1 + 2.2; myNum is : 3.3000000000000003
#JavaScriptWTF var myArray = [4, 8, 16, 15]; myArray.sort(); myArray is : [15, 16, 4, 8]
Try in a browser console 0.1+0.2. Hint: the result will not be 0.3 #JavascriptWTF
Just spent 30 minutes debugging an error ultimately caused by [] + [] returning "" in Javascript. #javascriptwtf #everydayisabaddayinjsland
