Iinqwenela ezili-10 malunga neJavascript

Namhlanje siza kuthatha ithuba lokufunda okungakumbi malunga neJavascript, kwaye siqala ngenkcazo:

JavaScript Yiyo Utoliko lwenkqubo yolwimi, ulwimi lwesiqhelo I-ECMAScript. ichazwa njenge into ejolise kum,3 prototype-esekweinyanzelekile, ichwetheze kancinci kwaye inamandla.

Isetyenziswa ikakhulu kwifom yayo kwicala lomxhasi, Iphunyezwe njengenxalenye ye ibhrawuza yewebhu ukuvumela uphuculo kwi Indawo yomsebenzisikumaphepha ewebhu amandla, nangona kukho ifom yeJavaScript yefayile ye- Icala lomncedisi (Icala elisecaleni leJavaScript okanye i-SSJS). Ukusetyenziswa kwayo kwiizicelo yangaphandle kwifayile ye- Kwiwebhu, umzekelo kumaxwebhu PDF, usetyenziso lwe desktop (ubukhulu becala widgetsikwabalulekile.

Ukuqhubeka kunye curiosities malunga nolwimi lwenkqubo:

  1. Null yinto
  2. I-NaN linani
  3. uluhlu () '==' Ubuxoki Yinyani
  4. Umsebenzi buyisela () yamkela njengeparameter Imisebenzi yokubuyisela emva
  5. Las amabinzana aqhelekileyo ingavavanywa nge uvavanyo () ukongeza kumdlalo ()
  6. Unako kuxokwa umda wokwahluka okanye umsebenzi
  7. Imisebenzi inokuziqhuba
  8. Firefox ayifundanga kwaye ibuyise imibala kwi-hexadecimal kodwa Kwi-RGB
  9. 0.1 + 0.2 '! ==' 0.3
  10. Ukungachazwa kunokuchazwaOko kukuthi, ayilogama eligciniweyo

Kwaye oku sigqibile. Gcwalisa ungeniso malunga neJavascript kwaye ngaphezulu kwalo kumnandi ngomnqweno, ungasathethi ke ...


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