Strings

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string.length

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This property returns the number of code units in the string.

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String.fromCharCode()

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The static String.fromCharCode() method returns a string created by using the specified sequence of Unicode values.

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String.fromCodePoint()

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The static String.fromCodePoint() method returns a string created by using the specified sequence of code points.

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String.prototype.anchor()

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The anchor() method creates an HTML anchor element that is used as a hypertext target.

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String.prototype.charAt()

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The charAt() method returns the specified character from a string.

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String.prototype.charCodeAt()

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The charCodeAt() method returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index

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String.prototype.codePointAt()

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The codePointAt() method returns a non-negative integer that is the Unicode code point value.

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String.prototype.concat()

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The concat() method combines the text of one or more strings and returns a new string.

For better performance use +.

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String.prototype.endsWith()

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The endsWith() method determines whether a string ends with the characters of a specified string, returning true or false as appropriate.

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String.prototype.includes()

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The includes() method determines whether one string may be found within another string, returning true or false as appropriate.

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String.prototype.indexOf()

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The indexOf() method returns the index within the calling String object of the first occurrence of the specified value, starting the search at fromIndex. Returns -1 if the value is not found.

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String.prototype.lastIndexOf()

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The lastIndexOf() method returns the index within the calling String object of the last occurrence of the specified value, searching backwards from fromIndex. Returns -1 if the value is not found.

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String.prototype.link()

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The link() method creates a string representing the code for an HTML element to be used as a hypertext link to another URL.

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String.prototype.localeCompare()

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The localeCompare() method returns a number indicating whether a reference string comes before or after or is the same as the given string in sort order.

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String.prototype.match()

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The match() method retrieves the matches when matching a string against a regular expression.

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String.prototype.normalize()

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The normalize() method returns the Unicode Normalization Form of a given string (if the value isn't a string, it will be converted to one first).

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String.prototype.repeat()

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The repeat() method constructs and returns a new string which contains the specified number of copies of the string on which it was called, concatenated together.

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String.prototype.replace()

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The replace() method returns a new string with some or all matches of a pattern replaced by a replacement. The pattern can be a string or a RegExp, and the replacement can be a string or a function to be called for each match.

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String.prototype.search()

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The search() method executes a search for a match between a regular expression and this Stringobject.

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String.prototype.slice()

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The slice() method extracts a section of a string and returns a new string.

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String.prototype.split()

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The split() method splits a String object into an array of strings by separating the string into substrings.

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String.prototype.startsWith()

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The startsWith() method determines whether a string begins with the characters of a specified string, returning true or false as appropriate.

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String.prototype.substr()

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The substr() method returns the characters in a string beginning at the specified location through the specified number of characters.

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String.prototype.substring()

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The substring() method returns a subset of a string between one index and another, or through the end of the string.

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String.prototype.toLocaleLowerCase()

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The toLocaleLowerCase() method returns the calling string value converted to lower case, according to any locale-specific case mappings.

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String.prototype.toLocaleUpperCase()

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The toLocaleUpperCase() method returns the calling string value converted to upper case, according to any locale-specific case mappings.

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String.prototype.toLowerCase()

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The toLowerCase() method returns the calling string value converted to lower case.

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String.prototype.toString()

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The toString() method returns a string representing the specified object.

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String.prototype.toUpperCase()

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The toUpperCase() method returns the calling string value converted to upper case.

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String.prototype.trim()

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The trim() method removes whitespace from both ends of a string. Whitespace in this context is all the whitespace characters (space, tab, no-break space, etc.) and all the line terminator characters (LF, CR, etc.).

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String.prototype.valueOf()

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The valueOf() method returns the primitive value of a String object.