lesson_4.md

Lam Alqayada ema basi Array akain.

Wa am xalana rwn akainawa :

• Array chia ?
• Chon Array bakar benin ??
• Aw krdar yan shtanai atwanin lagal Array bikain chin ?

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Array chia ?

Array : britia la kokrdnawai komalek , sht wak (Variable, String, Zhmara, Object yan Array tr) hemu la yak shwen ka wak snwqek yan Listek waia boman.

Chon Array bakar benin ?

Array katek bakar denin ka komalek shtman habet w bmanawet hamu pekawa la tanha Variableekda bn. Wa har katek wistman ba bakar henani nawi aw Variablea hamu aw shtanaman pekawa dast kawet.

Array bam shewa drwst akret :

VARIABLE = [shti1, shti2, shti3]

nmwna:

const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]

Aw krdar yan shtanai atwanin lagal Array bikain chin ?

• length : bakar det bo zanini zhmarai aw shtanai la Arrayakadan

    const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
    list.length
  
    Anjam: 6

• bakarhenani - [zhmarai xana] : bakar det bo zanini nrxi aw shtai law xanadaia

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list[0]
  
      Anjam: prtaqal

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list[4]
  
      Anjam: 3

• push() : bakar det bo ziadkrdni shtek bo kotai Arrayaka

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list.push('mn tazam')
  
      Anjam: ['prtaqal', 'sew', 'limo', 1, 3, 5, 'mn tazam']

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list.push(200)
  
      Anjam: ['prtaqal', 'sew', 'limo', 1, 3, 5, 200]

• pop() : bakar det bo srinawai yak sht la kotai Arrayakawa

    const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
    list.pop()
  
    Anjam: ['prtaqal', 'sew', 'limo', 1, 3]

• shift() : bakar det bo srinawai yak sht la saratai Arrayakawa

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list.pop()
  
      Anjam: ['sew', 'limo', 1, 3, 5]

• includes() : bakar det bo zanini aia shtek lanaw Arrayaka haya yan na

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list.includes('hanar')
  
      Anjam: False

      const list = ['prtaqal', 'sew', 'limo', 1, 3, 5]
      list.includes('sew')
  
      Anjam: True