How to use javascript check if array contains value?
187
How do I check if an array includes a value in JavaScript?
48889
Count number of values in array with a given value
96246
What's quicker and better to determine if an array key exists in PHP?
126196
How to check if an object is an array?
71908
What is the Fastest way of looping over an array on javascript?
89480
Checking if an array has some items in coffeescript
83478
Check if a "run-time" multidimensional array key exists
104442
How to search a string in String array
29245
How to check if two arrays are equal with JavaScript?
14704
How to detect if a variable is an array
141197
In JavaScript, is there an easier way to check if a property of a property exists?
29314
Check whether an array is a subset of another
49698
How to remove item from array by value?
21683
What is the most elegant way to check if all values in a boolean array are true?
30955
Check if a string contains an element from a list (of strings)
124671
Why doesn't equality check work with arrays
37735
How can I check for "undefined" in JavaScript?