6 isString () checks whether the passed argument is a string or not, using optional chaining and the latest standards:

Feb 3, 2011 · How can I detect if a variable is a string? not sure why this is the accepted answer. objects are not strings. new String() results in an object containing a series of indexed properties, each with …

Jan 30, 2011 · Is there a way to check if the type of a variable in python is a string, like: isinstance(x,int); for integer values?

Jul 22, 2002 · If I have a scalar, then is there a function I can call (or write) to determine if it is a string or a number. for example a string I would parse, but an integer I would use in a statistical test. Can …

Oct 4, 2021 · @IsString({ each: true }) means "each item of the array is a string". @IsArray({ each: true }) would mean "each item of the array is also an array". The reason behind being able to specify …

Aug 8, 2015 · object instanceof Type is true if the object is a Type or a subclass of Type

var isString = str.constructor == String; jsFiddle. But this won't work in a multi window environment (think iframe s). You can get around this with...

May 28, 2006 · IsString I have used the VBA function IsString in the past and I do not remember any problems. I have upgraded to Office 2003 and suddenly I can not test if a member of a record set is a …

Jul 22, 2018 · VBA isString vs isNumeric Asked 7 years, 7 months ago Modified 1 year, 1 month ago Viewed 52k times

Aug 20, 2009 · Does anyone know how can I check whether a variable is a number or a string in JavaScript?