JavaScript
1.77K subscribers
498 photos
47 videos
9 files
188 links
About JavaScript 🌵
Interyu savollar va Test yechish uchun website imiz: javascript-savollar.uz

Men yozgan va aytganlarimga 100% ishonmang , chunki men ham siz kabi haliham o'rganyabman.

Blog: @abdulvahob_blog

Bog'lanish uchun: @A_Abdulvahob
Download Telegram
parseFloat(" soat 1 da uhlayman")
Anonymous Quiz
36%
1
13%
true
45%
NaN
6%
error
👍1
parseFloat("1 da uhlamayman")
Anonymous Quiz
66%
1
26%
NaN
6%
null
2%
error
parseInt()

parseInt() - String ichidan birinchi argumentini o'qiydi va butun sonni qaytaradi. Agar son bo'lmasa NaN qaytaradi. (👍)

parseInt("23px") => 23
parseInt("23.4553px") => 23
parseInt("Soat 12.50 bo'ldi") => NaN


@abs_javascript
👍9
parseInt('12.5px")
Anonymous Quiz
64%
12
31%
12.5
3%
NaN
2%
px
parseInt(" 12 34 54 " )
Anonymous Quiz
62%
12
3%
34
3%
54
33%
12 34 54
Math.random() < 0
Anonymous Quiz
30%
true
63%
false
5%
null
2%
error
Math.random() < 1
Anonymous Quiz
69%
true
23%
false
4%
null
3%
error
Math.max(3, 5, -10, 0, 1)
Anonymous Quiz
10%
3
10%
-10
80%
5
0%
1
👍1
Math.pow(2, 3)
Anonymous Quiz
65%
8
23%
6
3%
9
10%
5
👍2
"javascript".length
Anonymous Quiz
33%
9
55%
10
6%
11
6%
true
👍1
"Nigora"[0]
Anonymous Quiz
77%
N
4%
i
17%
error
2%
a
👍1
"Nigora"[-1]
Anonymous Quiz
10%
null
49%
a
35%
undefined
6%
error
👍1
1 soatda 27 ta post 👨‍🎨
16👍4🦄2
at()

at() metodi berilgan indeksdagi elementni qaytaradi. Bu metod yordamida, siz musbat va manfiy indekslarni ishlatishingiz mumkin.

'Nigora'.at(1) => "i''
'Nigora'.at(-1) => "a"

(🔥)
@abs_javascript
🔥7👍2
String Methods
@abs_javascript
👍7
call() - yordamida object boshqa bir object method ini olish mumkin.

apply() - yordamida object boshqa bir object method ini olish mumkin.

bind() - yordamida object boshqa bir object method ini olish mumkin.

@abs_javascript
😁9👍3
call , apple , bind farqi.


call — argumentlar vergul bilan beriladi.

apply — argumentlar array sifatida beriladi.

bind — argumentlar funksiyaga berilganidek beriladi.

@abs_javascript
👍6🔥31
JavaScript pinned a photo
NaN - null
Anonymous Quiz
18%
0
6%
-0
33%
Error
43%
NaN
NaN + null
Anonymous Quiz
28%
NaNnull
59%
NaN
11%
0
2%
00
undefined - null
Anonymous Quiz
19%
true
15%
0
49%
NaN
18%
error