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Bishnu Prasad Chowdhury
Bishnu Prasad Chowdhury

Posted on • Edited on

JAVASCRIPT STRING METHODS and PROPS

#javascript

Java script String Methods

length property

"abc".length
> 3
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indexOf() method

"abc".indexOf("b")
> 1
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indexOf() method

"abc".indexOf("i")
> -1
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indexOf() method

"abc".indexOf("")
> 0
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lastindexOf() method

"abcb".lastIndexOf("b")
> 3
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indexOf() method

"abcb".lastIndexOf("i")
> -1
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indexOf() method

"abcb".lastIndexOf("")
> 4
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search() method

"abc".search("b")
> 1
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indexOf() method

"abc".search("i")
> -1
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indexOf() method

"abc".search("")
> 0
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slice() method

"abc".slice("1")
> "bc"
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slice() method

"abc".slice("5")
> ""
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slice() method

"abc".slice("")
> "abc"
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substring() method

"abc".substring("1")
> "bc"
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substring() method

"abc".substring("5")
> ""
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substring() method

"abc".substring("")
> "abc"
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replace() method

"abc".replace("a","e")
>> "ebc"
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toUpperCase() method

"abc".toUpperCase()
>> "ABC"
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toLowerCase() method

"ABC".toLowerCase()
>> "abc"
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concat() method

"ABC".concat(",", "b")
>> "ABC,b"
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trim() method

"  ABC abc  ".trim()
>> "ABC abc"
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charAt() method

"  ABC abc  ".charAt(4)
>> "C"
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charCodeAt() method

"  ABC abc  ".charCodeAt(4)
>> 67
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split() method

"a,b,c".split(",")
>> ["a", "b", "c"]
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split() method

"a b c".split(" ")
>> ["a", "b", "c"]
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split() method

"a b c".split("")
>> ["a", " ", "b", " ", "c"]
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