Login Register

_.isUndefined

isUndefined_.isUndefined(value)
Returns true if value is undefined.

_.isUndefined(window.missingVariable);
=> true

Links:

http://underscorejs.org/index#isUndefined

doc_Underscore

2025-01-10 15:47:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

_.isUndefined _.isUndefined(value) source npm package Checks if value is undefined. Since 0.1.0 Arguments value (*): The value to check. Returns (boolean): Ret

angular.isUndefined function in module ng Determines if a reference is undefined. Usage angular.isUndefined(value); Arguments Param Type Details value * Refe

util.isUndefined() util.isUndefined(object) Stability: 0 - Deprecated Returns true if the given "object" is undefined. Otherwise, returns false. const util = require('