Determine whether an array contains a value
187
How do I check if an array includes a value in JavaScript?
124055
Checking if array is multidimensional or not?
39947
Checking if a string contains an integer
43338
count of false gives 1 and if of an empty array gives false. why?
14704
How to detect if a variable is an array
156588
Test if a string contains any of the strings from an array
721
Check if a Bash array contains a value
35031
Check if an array is subset of another array in Ruby
102897
check multiple values exists php array
92890
Checking if a string array contains a value, and if so, getting its position
29245
How to check if two arrays are equal with JavaScript?
113905
How can I check whether a variable is defined in JavaScript?
83478
Check if a "run-time" multidimensional array key exists
124280
Test if array is inside a list in lisp
141197
In JavaScript, is there an easier way to check if a property of a property exists?
42629
How to compare arrays in JavaScript?
126006
How to find out if an Object is a collection or single value?