Class String

Hierarchy

String

Index

Constructors

constructor

Accessors

length

Methods

Constructors

constructor

new String(): String

Returns String

Accessors

length

get length(): number

Returns a length of given string.

Returns number

Methods

charAt

charAt(position: number): string

Returns character at selected position of given string*.

Parameters
- position: number
Returns string

concat

concat(): string

Allows to join two *strings together, works in same manner as binary expression.

Returns string

endsWith

endsWith(text: any): boolean

Returns whenever given string ends with the characters of a specified text.

Parameters
- text: any
Returns boolean

includes

includes(text: any, startIndex: number): boolean

Returns whenever given string contains characters of a specified text.

Parameters
- text: any
- startIndex: number
Returns boolean

indexOf

indexOf(text: any, startIndex: number): number

Returns position of the first occurrence of a specified text* in selected string.

Parameters
- text: any
- startIndex: number
Returns number

lastIndexOf

lastIndexOf(text: any, startIndex: number): number
lastIndexOf(text: any): number

Returns position of the last occurrence of a specified text in selected string.

Parameters
- text: any
- startIndex: number
Returns number
Returns position of the last occurrence of a specified text in selected string.

Parameters
- text: any
Returns number

replace

replace(searchValue: any, newValue: any): string

Returns a new string where the search value is replaced with the new value.

Parameters
- searchValue: any
- newValue: any
Returns string

split

split(separator: any): string[]

Splits string into an array with a separator.

Parameters
- separator: any
Returns string[]

startsWith

startsWith(text: any): boolean

Returns whenever given string* begins with the characters of a specified text.

Parameters
- text: any
Returns boolean

substr

substr(start: number, length: number): string

Returns new string* of given length extracted from source text.

Parameters
- start: number
- length: number
Returns string

substring

substring(start: number, end: number): string
substring(start: number): string

Returns new string extracted from source text within the given range.

Parameters
- start: number
- end: number
Returns string
Returns new string extracted from given start position until the end of source text.

Parameters
- start: number
Returns string

toLowerCase

toLowerCase(): string

Changes all the characters of the string to lower case.

Returns string

toUpperCase

toUpperCase(): string

Changes all the characters of the string to upper case.

Returns string

trim

trim(): string

Remove whitespace from both sides of a string.

Returns string

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