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  6. String.prototype.toLowerCase()
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String.prototype.toLowerCase()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since julio de 2015.

Resumen

El método toLowerCase() devuelve el valor en minúsculas de la cadena que realiza la llamada.

In this article

Sintaxis

cadena.toLowerCase()

Descripción

El método toLowerCase devuelve el valor de la cadena convertida a minúsculas. toLowerCase no afecta al valor de la cadena en sí misma.

Ejemplos

Ejemplo: Usando toLowerCase

El siguiente ejemplo muestra la cadena "alfabeto" en minúsculas:

js
var textoMayusculas = "ALFABETO"; document.write(textoMayusculas.toLowerCase());

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  1. Objetos globales
  2. String
  3. Constructor
    1. String()
  4. Métodos estáticos
    1. String.fromCharCode()
    2. String.fromCodePoint()
    3. String.raw()
  5. Métodos de instancia
    1. String.prototype.anchor()
    2. at()
    3. String.prototype.big()
    4. String.prototype.blink()
    5. String.prototype.bold()
    6. String.prototype.charAt()
    7. String.prototype.charCodeAt()
    8. String.prototype.codePointAt()
    9. String.prototype.concat()
    10. String.prototype.endsWith()
    11. String.prototype.fixed()
    12. String.prototype.fontcolor()
    13. String.prototype.fontsize()
    14. String.prototype.includes()
    15. String.prototype.indexOf()
    16. isWellFormed()
    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. padEnd()
    25. String.prototype.padStart()
    26. String.prototype.repeat()
    27. String.prototype.replace()
    28. String.prototype.replaceAll()
    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.toString()
    43. String.prototype.toUpperCase()
    44. toWellFormed()
    45. String.prototype.trim()
    46. String.prototype.trimEnd()
    47. trimStart()
    48. String.prototype.valueOf()
    49. [Symbol.iterator]()
  6. Propiedades de instancia
    1. String.length
  7. Herencia
  8. Object/Function
  9. Métodos estáticos
    1. Function.prototype.apply()
    2. Function.prototype.bind()
    3. Function.prototype.call()
    4. Function.prototype.toString()
    5. [Symbol.hasInstance]()
  10. Propiedades estáticas
    1. Function.displayName
    2. Function.length
    3. Function.name
    4. prototype
    5. Function.prototype.arguments
    6. Function.caller
  11. Métodos de instancia
    1. Object.prototype.__defineGetter__()
    2. __defineSetter__()
    3. __lookupGetter__()
    4. __lookupSetter__()
    5. Object.prototype.hasOwnProperty()
    6. Object.prototype.isPrototypeOf()
    7. Object.prototype.propertyIsEnumerable()
    8. Object.prototype.toLocaleString()
    9. Object.prototype.toString()
    10. Object.prototype.valueOf()
  12. Propiedades de instancia
    1. Object.prototype.__proto__
    2. Object.prototype.constructor

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