5 Mafi yawan Kuskure gama gari waɗanda Masu haɓaka JavaScript sukayi

Ci gaban Javascript

JavaScript shine asalin harshe don kusan duk aikace-aikacen gidan yanar gizo na zamani. A cikin fewan shekarun da suka gabata, mun ga ƙaruwa a cikin adadi mai yawa na ɗakunan karatu na tushen JavaScript da kuma tsarin gina aikace-aikacen yanar gizo. Wannan ya yi aiki don Aikace-aikacen Shafi na Kayayyaki da kuma dandamali na JavaScript. Tabbas JavaScript ya zama koina a duniyar cigaban yanar gizo. Wannan shine dalilin da ya sa yake babbar fasaha wacce yakamata masu haɓaka yanar gizo su mallake ta.

JavaScript na iya zama da sauki sosai a farkon kallo. Kodayake gina ayyukan JavaScript na ainihi tsari ne mai sauƙi da sauƙi ga kowa, koda kuwa mutumin sabon abu ne ga JavaScript. Amma har yanzu yaren yana da rikitarwa da karfi fiye da yadda za mu so mu yi imani da shi. Kuna iya koyon abubuwa da yawa a cikin azuzuwan JavaScript ta ECMAScript 2015. Waɗannan taimako a rubuce kyakkyawar lambar kuma suna magance matsalolin gado. Waɗannan abubuwa masu sauƙi na iya haifar da maganganu masu rikitarwa a wasu lokuta. Bari mu tattauna wasu daga cikin matsaloli na yau da kullun.

  1. Matsakaicin matakin-yanki - Daya daga cikin na kowa rashin fahimta tsakanin masu haɓaka JavaScript shine a yi tunanin cewa tana ba da sabon tsari ga kowane toshe lambar. Wannan na iya zama gaskiya ga wasu yarukan da yawa, amma ba gaskiya bane ga JavaScript. Kodayake ƙananan matakan suna samun ƙarin tallafi ta hanyar sababbin kalmomin waɗanda za su yi amfani da maɓallan hukuma a cikin ECMAScript 6.
  2. Ƙwaƙwalwar ajiya - Idan bakada hankali sosai, ƙwaƙwalwar ajiya wani abu ne wanda ba za a iya kiyaye shi ba yayin yin lambar JavaScript. Akwai hanyoyi da yawa da ƙwaƙwalwar ƙwaƙwalwar ajiya zata iya faruwa. Babban ambaton ƙwaƙwalwar ajiya yana faruwa yayin da kake da nassoshi masu ɓata abubuwa. Zuciyar ƙwaƙwalwar ajiya ta biyu zata faru lokacin da akwai madaidaiciyar tunani. Amma akwai hanyoyi don kauce wa wannan ƙwaƙwalwar ƙwaƙwalwar. Vananan Masu canji na duniya da abubuwa a cikin tarin kira na yanzu an san su da tushe kuma ana iya samun su. Ana adana su cikin ƙwaƙwalwar ajiya muddin za a iya samun sauƙin samunsu daga tushe ta amfani da tunani.
  3. DOM Magudi - Kuna iya sauƙin sarrafa DOM a cikin JavaScript, amma babu wata hanyar da za a iya aiwatar da wannan da ingantaccen aiki. Arin abun DOM zuwa lambar abu ne mai tsada. Lambar da aka yi amfani da ita don ƙara DOM da yawa ba ta da inganci kuma saboda haka ba zai yi aiki da kyau ba. Anan zaku iya amfani da gutsuttsarin takardu waɗanda zasu iya taimakawa wajen haɓaka ƙwarewa da aiki.
  4. Tunani - Hanyoyin tsara lambobi da tsarin zane na JavaScript sun sami ci gaba a cikin 'yan shekarun nan. Wannan yana haifar da ƙaruwa cikin haɓakar ikon kai tsaye. Wadannan wurare sune sanadin rikice rikice wannan / wancan. A yarda bayani ga wannan matsala shi ne ya ceci your tunani kamar yadda wannan a cikin canji.
  5. Matsataccen Yanayi - Yanayin Tsaran tsari tsari ne wanda kuskuren sarrafawa akan lokacin aikin JavaScript ɗinka ya zama mai tsauri kuma wannan ya sa ya zama amintacce. Amfani da Matsataccen Yanayi ya karɓa sosai kuma ya zama sananne. Rashin la'akari da shi ana ɗaukarsa azaman mummunan ma'ana. Manyan fa'idodi masu amfani da tsauraran yanayi suna da sauƙin lalacewa, ana hana dunia mai haɗari, ana ƙin sunayen abubuwa iri-iri da dai sauransu.
  6. Subclass Batutuwa - Don ƙirƙirar aji a cikin ƙaramin aji na wani aji, za'a buƙaci kuyi amfani da kara keyword. Dole ne ku fara amfani da shi mafi (), idan har anyi amfani da hanyar magini a cikin ƙaramin rukuni. Za a yi wannan kafin amfani wannan keyword. Idan ba a yi wannan ba, lambar ba za ta yi aiki ba. Idan ka ci gaba da barin azuzuwan JavaScript don fadada abubuwa na yau da kullun, zaka ci gaba da samun kurakurai.

Kunsa shi

Dangane da JavaScript da makamantan kowane yare, gwargwadon ƙoƙarin da kake yi don fahimtar yadda yake aiki da yadda ba ya aiki, zai zama maka da sauƙi ka gina ƙaƙƙarfan lamba. Wannan zai baku damar amfani da yaren yadda yakamata. Rashin fahimtar yadda ya kamata shine inda matsalar take farawa. Azuzuwan ES6 na JavaScript suna ba ku shawarwari don ƙirƙirar lambar daidaitaccen abu.

Idan baku fahimci ƙaramar juyawa da juya cikin lambar ba, zaku ƙare tare da kwari a cikin aikace-aikacenku. Idan kuna da shakku, zaku iya tuntuɓar wasu masu ci gaba da yanar gizo.

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