String.prototype.toString()

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

Syntax

str.toString()

Return value

A string representing the calling object.

Description

The String object overrides the toString() method of the Object object; it does not inherit Object.prototype.toString(). For String objects, the toString() method returns a string representation of the object and is the same as the String.prototype.valueOf() method.

Examples

Using toString()

The following example displays the string value of a String object:

var x = new String('Hello world');

console.log(x.toString()); // logs 'Hello world'

Specifications

Specification Status Comment
ECMAScript 3rd Edition (ECMA-262) Standard Initial definition. Implemented in JavaScript 1.1.
ECMAScript 5.1 (ECMA-262)
The definition of 'String.prototype.toString' in that specification.		 Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'String.prototype.toString' in that specification.		 Standard  
ECMAScript Latest Draft (ECMA-262)
The definition of 'String.prototype.toString' in that specification.		 Draft  

Browser compatibility

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
toStringChrome Full support 1Edge Full support 12Firefox Full support 1IE Full support 3Opera Full support YesSafari Full support YesWebView Android Full support 1Chrome Android Full support 18Firefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support 1.0nodejs Full support Yes

Legend

Full support  
Full support

See also

Verwandte Themen
  1. Standard built-in objects
  2. String
  3. Properties
    1. String.prototype
    2. String.prototype.length
  4. Methods
    1. String.fromCharCode()
    2. String.fromCodePoint()
    3. String.prototype.anchor()
    4. String.prototype.big()
    5. String.prototype.blink()
    6. String.prototype.bold()
    7. String.prototype.charAt()
    8. String.prototype.charCodeAt()
    9. String.prototype.codePointAt()
    10. String.prototype.concat()
    11. String.prototype.endsWith()
    12. String.prototype.fixed()
    13. String.prototype.fontcolor()
    14. String.prototype.fontsize()
    15. String.prototype.includes()
    16. String.prototype.indexOf()
    17. String.prototype.italics()
    18. String.prototype.lastIndexOf()
    19. String.prototype.link()
    20. String.prototype.localeCompare()
    21. String.prototype.match()
    22. String.prototype.matchAll()
    23. String.prototype.normalize()
    24. String.prototype.padEnd()
    25. String.prototype.padStart()
    26. String.prototype.quote()
    27. String.prototype.repeat()
    28. String.prototype.replace()
    29. String.prototype.search()
    30. String.prototype.slice()
    31. String.prototype.small()
    32. String.prototype.split()
    33. String.prototype.startsWith()
    34. String.prototype.strike()
    35. String.prototype.sub()
    36. String.prototype.substr()
    37. String.prototype.substring()
    38. String.prototype.sup()
    39. String.prototype.toLocaleLowerCase()
    40. String.prototype.toLocaleUpperCase()
    41. String.prototype.toLowerCase()
    42. String.prototype.toSource()
    43. String.prototype.toString()
    44. String.prototype.toUpperCase()
    45. String.prototype.trim()
    46. String.prototype.trimEnd()
    47. String.prototype.trimStart()
    48. String.prototype.valueOf()
    49. String.prototype[@@iterator]()
    50. String.raw()
  5. Inheritance:
  6. Function
  7. Properties
    1. Function.arguments
    2. Function.arity
    3. Function.caller
    4. Function.displayName
    5. Function.length
    6. Function.name
    7. Function.prototype
  8. Methods
    1. Function.prototype.apply()
    2. Function.prototype.bind()
    3. Function.prototype.call()
    4. Function.prototype.isGenerator()
    5. Function.prototype.toSource()
    6. Function.prototype.toString()
  9. Object
  10. Properties
    1. Object.prototype.__count__
    2. Object.prototype.__noSuchMethod__
    3. Object.prototype.__parent__
    4. Object.prototype.__proto__
    5. Object.prototype.constructor
  11. Methods
    1. Object.prototype.__defineGetter__()
    2. Object.prototype.__defineSetter__()
    3. Object.prototype.__lookupGetter__()
    4. Object.prototype.__lookupSetter__()
    5. Object.prototype.hasOwnProperty()
    6. Object.prototype.isPrototypeOf()
    7. Object.prototype.propertyIsEnumerable()
    8. Object.prototype.toLocaleString()
    9. Object.prototype.toSource()
    10. Object.prototype.toString()
    11. Object.prototype.unwatch()
    12. Object.prototype.valueOf()
    13. Object.prototype.watch()
    14. Object.setPrototypeOf()