10 Kufarira nezve Javascript

Nhasi tichatora mukana wekudzidza zvishoma nezve Javascript, uye isu tinotanga nedudziro:

JavaScript Ndicho kududzirwa mutauro mutauro, mutauro wechiyero ECMAScript. inotsanangurwa se chinhu chakatenderwa,3 prototype yakavakirwazvakakosha, zvisina simba typed uye zvine simba.

Iyo inonyanya kushandiswa mune yayo fomu yeiyo mutengi-parutivi, inoitwa sechikamu che web browser kubvumira kuvandudzwa mu mushandisi interfacemapeji ewebhu simba, kunyange paine fomu yeJavaScript yeiyo server padivi (Server-parutivi JavaScript kana SSJS). Kushandiswa kwayo mumafomu zvekunze kune iyo dandemutande, semuenzaniso mumagwaro PDF, desktop desktop (kunyanya Widgets) zvakare yakakosha.

Kuenderera mberi ne curiosities nezve iyi mitauro yemutauro:

  1. Null chinhu
  2. NaN inhamba
  3. array () '==' Nhema Ichokwadi
  4. Basa racho kutsiva () gamuchira separamende callback mabasa
  5. ari mataurirwo enguva dzose inogona kuyedzwa ne bvunzo () pamusoro pe match ()
  6. Unogona kunyepedzera chiyero chekusiyana kana basa
  7. Mabasa anogona kuzviuraya ivo pachavo
  8. Firefox haina kuverenga uye kudzorera iwo mavara mune hexadecimal asi muRGB
  9. 0.1 + 0.2 '! ==' 0.3
  10. Undefined inogona kutsanangurwa, kureva kuti, harisi izwi rakachengetedzwa

Uye neizvi tinopera. Pedzisa kupinda nezve Javascript uye pamusoro payo zvinosekesa nekuziva, tisingatauri ...


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