Lightning Aura Components Developer Guide
jSummer '25 (API version 64.0)
Spring '25 (API version 63.0)
Winter '25 (API version 62.0)
Summer '24 (API version 61.0)
Spring '24 (API version 60.0)
Winter '24 (API version 59.0)
Summer '23 (API version 58.0)
Spring '23 (API version 57.0)
Winter '23 (API version 56.0)
Summer '22 (API version 55.0)
Spring '22 (API version 54.0)
Winter '22 (API version 53.0)
Summer '21 (API version 52.0)
Spring '21 (API version 51.0)
Winter '21 (API version 50.0)
Summer '20 (API version 49.0)
Spring '20 (API version 48.0)
Winter '20 (API version 47.0)
Summer '19 (API version 46.0)
Spring '19 (API version 45.0)
Winter '19 (API version 44.0)
Summer '18 (API version 43.0)
Spring '18 (API version 42.0)
Winter '18 (API version 41.0)
Summer '17 (API version 40.0)
Spring '17 (API version 39.0)
Winter '17 (API version 38.0)
Summer '16 (API version 37.0)
Spring '16 (API version 36.0)
Winter '16 (API version 35.0)
Summer '15 (API version 34.0)
Spring '15 (API version 33.0)
Winter '15 (API version 32.0)
No Results
Search Tips:
- Please consider misspellings
- Try different search keywords
Developing Secure Code
Testing Components
addClass()
getBooleanValue()
hasClass()
isArray()
isEmpty()
isObject()
isUndefined()
isUndefinedOrNull()
removeClass()
toggleClass()
Util
Util contains utility methods.
Methods
-
addClass()
Adds a CSS class to a component. -
getBooleanValue()
Coerces truthy and falsy values into a native boolean. -
hasClass()
Checks whether the component has the specified CSS class. -
isArray()
Checks whether the specified object is an array. -
isEmpty()
Checks if the object is empty. An empty object’s value is undefined, null, an empty array, or an empty string. An object with no native properties is not considered empty. -
isObject()
Checks whether the specified object is a valid object. A valid object is not a DOM element, is not a native browser class (XMLHttpRequest) is not falsey, and is not an array, error, function string or a number. -
isUndefined()
Checks if the object is undefined. -
isUndefinedOrNull()
Checks if the object is undefined or null. -
removeClass()
Removes a CSS class from a component. -
toggleClass()
Toggles (adds or removes) a CSS class from a component.