Ulwazi, Ukubuyekeza, Uhlu top, Indlela To Imiqophi & Amabhulogi
Syntax arr.reduce(callbackFunction, [initialValue]) Kusho ukunciphisa ukwenza? Nciphisa umsebenzi loops ngokusebenzisa array. Operations engenziwa amalungu afanayo nge-callback. Ekupheleni imisebenzi ku array, reduce returns a single value Reduce can be used, Ngokwesibonelo, to total a shopping cart Example let arr…
Ukuze ukhubaze 'Okungalindelekile console isitatimende.’ (kungekho-console) iphutha Eslint, udinga ukwengeza umthetho efayeleni .eslintrc.json. Kwizimiso kwesigaba wefayela .eslintrc.json ukungeza ulayini olandelayo: “kungekho-console”:0 Lokhu kuzovimbela iphutha. Beningakwenza esikhundleni: “kungekho-console”: “ukuvala” Lokhu kuzokwenzeka into efanayo, which is turn off any…
Ukuze engeyokuqala yokuthekelisa amamojuli une ukwabela umsebenzi ngamunye, into noma variable, okudinga ukuthi bathunyelwe, njengoba izindawo modules.exports uphikisana. Exporting In this example the module file is robot.js. Each function, object or variable we would like to make available to other files we make them properties…