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Hierarchy

Indexable

[index: number]: string

Index

Properties

Readonly length

length: number

Returns the length of a String object.

Static String

String: StringConstructor

Allows manipulation and formatting of text strings and determination and location of substrings within strings.

Methods

[Symbol.iterator]

  • [Symbol.iterator](): IterableIterator<string>
  • Iterator

    Returns IterableIterator<string>

anchor

  • anchor(name: string): string
  • Returns an <a> HTML anchor element and sets the name attribute to the text value

    Parameters

    • name: string

    Returns string

big

  • big(): string
  • Returns a <big> HTML element

    Returns string

blink

  • blink(): string
  • Returns a <blink> HTML element

    Returns string

bold

  • bold(): string
  • Returns a <b> HTML element

    Returns string

charAt

  • charAt(pos: number): string
  • Returns the character at the specified index.

    Parameters

    • pos: number

      The zero-based index of the desired character.

    Returns string

charCodeAt

  • charCodeAt(index: number): number
  • Returns the Unicode value of the character at the specified location.

    Parameters

    • index: number

      The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.

    Returns number

codePointAt

  • codePointAt(pos: number): number | undefined
  • Returns a nonnegative integer Number less than 1114112 (0x110000) that is the code point value of the UTF-16 encoded code point starting at the string element at position pos in the String resulting from converting this object to a String. If there is no element at that position, the result is undefined. If a valid UTF-16 surrogate pair does not begin at pos, the result is the code unit at pos.

    Parameters

    • pos: number

    Returns number | undefined

concat

  • concat(...strings: string[]): string
  • Returns a string that contains the concatenation of two or more strings.

    Parameters

    • Rest ...strings: string[]

      The strings to append to the end of the string.

    Returns string

deserializeJSON

  • deserializeJSON(): any

endsWith

  • endsWith(searchString: string, endPosition?: number): boolean
  • Returns true if the sequence of elements of searchString converted to a String is the same as the corresponding elements of this object (converted to a String) starting at endPosition – length(this). Otherwise returns false.

    Parameters

    • searchString: string
    • Optional endPosition: number

    Returns boolean

fixed

  • fixed(): string
  • Returns a <tt> HTML element

    Returns string

fontcolor

  • fontcolor(color: string): string
  • Returns a <font> HTML element and sets the color attribute value

    Parameters

    • color: string

    Returns string

fontsize

  • fontsize(size: number): string
  • fontsize(size: string): string
  • Returns a <font> HTML element and sets the size attribute value

    Parameters

    • size: number

    Returns string

  • Returns a <font> HTML element and sets the size attribute value

    Parameters

    • size: string

    Returns string

includes

  • includes(searchString: string, position?: number): boolean
  • Returns true if searchString appears as a substring of the result of converting this object to a String, at one or more positions that are greater than or equal to position; otherwise, returns false.

    Parameters

    • searchString: string

      search string

    • Optional position: number

      If position is undefined, 0 is assumed, so as to search all of the String.

    Returns boolean

indexOf

  • indexOf(searchString: string, position?: number): number
  • Returns the position of the first occurrence of a substring.

    Parameters

    • searchString: string

      The substring to search for in the string

    • Optional position: number

      The index at which to begin searching the String object. If omitted, search starts at the beginning of the string.

    Returns number

italics

  • italics(): string
  • Returns an <i> HTML element

    Returns string

lastIndexOf

  • lastIndexOf(searchString: string, position?: number): number
  • Returns the last occurrence of a substring in the string.

    Parameters

    • searchString: string

      The substring to search for.

    • Optional position: number

      The index at which to begin searching. If omitted, the search begins at the end of the string.

    Returns number

link

  • link(url: string): string
  • Returns an <a> HTML element and sets the href attribute value

    Parameters

    • url: string

    Returns string

localeCompare

  • localeCompare(that: string): number
  • Determines whether two strings are equivalent in the current locale.

    Parameters

    • that: string

      String to compare to target string

    Returns number

match

  • match(regexp: string | RegExp): RegExpMatchArray | null
  • Matches a string with a regular expression, and returns an array containing the results of that search.

    Parameters

    • regexp: string | RegExp

      A variable name or string literal containing the regular expression pattern and flags.

    Returns RegExpMatchArray | null

normalize

  • normalize(form: "NFC" | "NFD" | "NFKC" | "NFKD"): string
  • normalize(form?: string): string
  • Returns the String value result of normalizing the string into the normalization form named by form as specified in Unicode Standard Annex #15, Unicode Normalization Forms.

    Parameters

    • form: "NFC" | "NFD" | "NFKC" | "NFKD"

      Applicable values: "NFC", "NFD", "NFKC", or "NFKD", If not specified default is "NFC"

    Returns string

  • Returns the String value result of normalizing the string into the normalization form named by form as specified in Unicode Standard Annex #15, Unicode Normalization Forms.

    Parameters

    • Optional form: string

      Applicable values: "NFC", "NFD", "NFKC", or "NFKD", If not specified default is "NFC"

    Returns string

padEnd

  • padEnd(maxLength: number, fillString?: string): string
  • Pads the current string with a given string (possibly repeated) so that the resulting string reaches a given length. The padding is applied from the end (right) of the current string.

    Parameters

    • maxLength: number

      The length of the resulting string once the current string has been padded. If this parameter is smaller than the current string's length, the current string will be returned as it is.

    • Optional fillString: string

      The string to pad the current string with. If this string is too long, it will be truncated and the left-most part will be applied. The default value for this parameter is " " (U+0020).

    Returns string

padStart

  • padStart(maxLength: number, fillString?: string): string
  • Pads the current string with a given string (possibly repeated) so that the resulting string reaches a given length. The padding is applied from the start (left) of the current string.

    Parameters

    • maxLength: number

      The length of the resulting string once the current string has been padded. If this parameter is smaller than the current string's length, the current string will be returned as it is.

    • Optional fillString: string

      The string to pad the current string with. If this string is too long, it will be truncated and the left-most part will be applied. The default value for this parameter is " " (U+0020).

    Returns string

repeat

  • repeat(count: number): string
  • Returns a String value that is made from count copies appended together. If count is 0, the empty string is returned.

    Parameters

    • count: number

      number of copies to append

    Returns string

replace

  • replace(searchValue: string | RegExp, replaceValue: string): string
  • replace(searchValue: string | RegExp, replacer: (substring: string, ...args: any[]) => string): string
  • Replaces text in a string, using a regular expression or search string.

    Parameters

    • searchValue: string | RegExp

      A string to search for.

    • replaceValue: string

      A string containing the text to replace for every successful match of searchValue in this string.

    Returns string

  • Replaces text in a string, using a regular expression or search string.

    Parameters

    • searchValue: string | RegExp

      A string to search for.

    • replacer: (substring: string, ...args: any[]) => string

      A function that returns the replacement text.

        • (substring: string, ...args: any[]): string
        • Parameters

          • substring: string
          • Rest ...args: any[]

          Returns string

    Returns string

search

  • search(regexp: string | RegExp): number
  • Finds the first substring match in a regular expression search.

    Parameters

    • regexp: string | RegExp

      The regular expression pattern and applicable flags.

    Returns number

slice

  • slice(start?: number, end?: number): string
  • Returns a section of a string.

    Parameters

    • Optional start: number

      The index to the beginning of the specified portion of stringObj.

    • Optional end: number

      The index to the end of the specified portion of stringObj. The substring includes the characters up to, but not including, the character indicated by end. If this value is not specified, the substring continues to the end of stringObj.

    Returns string

small

  • small(): string
  • Returns a <small> HTML element

    Returns string

split

  • split(separator: string | RegExp, limit?: number): string[]
  • Split a string into substrings using the specified separator and return them as an array.

    Parameters

    • separator: string | RegExp

      A string that identifies character or characters to use in separating the string. If omitted, a single-element array containing the entire string is returned.

    • Optional limit: number

      A value used to limit the number of elements returned in the array.

    Returns string[]

startsWith

  • startsWith(searchString: string, position?: number): boolean
  • Returns true if the sequence of elements of searchString converted to a String is the same as the corresponding elements of this object (converted to a String) starting at position. Otherwise returns false.

    Parameters

    • searchString: string
    • Optional position: number

    Returns boolean

strike

  • strike(): string
  • Returns a <strike> HTML element

    Returns string

sub

  • sub(): string
  • Returns a <sub> HTML element

    Returns string

substr

  • substr(from: number, length?: number): string
  • Gets a substring beginning at the specified location and having the specified length.

    Parameters

    • from: number

      The starting position of the desired substring. The index of the first character in the string is zero.

    • Optional length: number

      The number of characters to include in the returned substring.

    Returns string

substring

  • substring(start: number, end?: number): string
  • Returns the substring at the specified location within a String object.

    Parameters

    • start: number

      The zero-based index number indicating the beginning of the substring.

    • Optional end: number

      Zero-based index number indicating the end of the substring. The substring includes the characters up to, but not including, the character indicated by end. If end is omitted, the characters from start through the end of the original string are returned.

    Returns string

sup

  • sup(): string
  • Returns a <sup> HTML element

    Returns string

toJSON

  • toJSON(): string

toLocaleLowerCase

  • toLocaleLowerCase(locales?: string | string[]): string
  • Converts all alphabetic characters to lowercase, taking into account the host environment's current locale.

    Parameters

    • Optional locales: string | string[]

    Returns string

toLocaleUpperCase

  • toLocaleUpperCase(locales?: string | string[]): string
  • Returns a string where all alphabetic characters have been converted to uppercase, taking into account the host environment's current locale.

    Parameters

    • Optional locales: string | string[]

    Returns string

toLowerCase

  • toLowerCase(): string
  • Converts all the alphabetic characters in a string to lowercase.

    Returns string

toString

  • toString(): string
  • Returns a string representation of a string.

    Returns string

toUpperCase

  • toUpperCase(): string
  • Converts all the alphabetic characters in a string to uppercase.

    Returns string

trim

  • trim(): string
  • Removes the leading and trailing white space and line terminator characters from a string.

    Returns string

trimEnd

  • trimEnd(): string
  • Returns a copy with trailing whitespace removed.

    Returns string

trimLeft

  • trimLeft(): string
  • Removes whitespace from the left end of a string.

    Returns string

trimRight

  • trimRight(): string
  • Removes whitespace from the right end of a string.

    Returns string

trimStart

  • trimStart(): string
  • Returns a copy with leading whitespace removed.

    Returns string

valueOf

  • valueOf(): string
  • Returns the primitive value of the specified object.

    Returns string

Static fromObject