Convert string array to array in javascript Asked 9 years, 1 month ago Modified 4 months ago Viewed 127k times

56 After searching for an answer in other posts, I felt I have to ask this. I looked at How do I check if an array includes an object in JavaScript? and Best way to find if an item is in a JavaScript array? and …

Jun 10, 2010 · In the case of an array, the callback is passed an array index and a corresponding array value each time. (The value can also be accessed through the this keyword, but Javascript will …

How to find if an array contains a specific string in JavaScript/jQuery? Asked 14 years, 8 months ago Modified 1 year, 4 months ago Viewed 1.3m times

I have a string array and one string. I'd like to test this string against the array values and apply a condition the result - if the array contains the string do "A", else do "B". How can I do that?

I have a comma-separated string that I want to convert into an array, so I can loop through it. Is there anything built-in to do this? For example, I have this string var str = "January,February,

0 For comma based join, you could use toString () method of Object.prototype (Array object internally inherit it automatically). For other separator based join use join method of the Array object.

How can I convert a string to a JavaScript array? Look at the code:

Sep 29, 2016 · The join method will return a string that is the concatenation of all the array elements. It will use the first parameter you pass as a separator - if you don't use one, it will use the default …

The .length property of a string measures its length in UTF-16 code units, and when you do someString[i] you get the i th UTF-16 code unit of someString. Consequently, you can get an array of …