How to get Javascript array length?

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get maximum length of JavaScript array element

If I have the following array : array = ['a', 'abcde', 'ab'] ; I would like to get the maximum length of the array elements ie 5 (for the element 'abcde'). I know that you can get the length of an array element via (eg) array[1].length but I don't know how to get the maximum length. Any answer in JavaScript or jQuery would be great. TIA Paul Jones

Answer:

One-liner for you: Math.max.apply(Math, $.map(array, function (el) { return el.length })); Working example...

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Other solutions

Newbie JavaScript Array question. Please help?

I'm new to JavaScripting and I'm currently just trying out new things and seeing how they function to get a feel for the script syntax and functionality. With the script listed below, I was trying to create an array that would match up a person's name...

Answer:

A cooler way to do this is to use an associative array, or as it's known in javascript an object. var...

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What is the best way to get output from a 2 layer loop for 2D array in Javascript?

Here is my code: var myArray = {}; myArray["abc"] = new Array(); myArray["def"] = new Array(); myArray["abc"][0] = "John"; myArray["abc"][1] = "Mary"; myArray["abc"][2] = "Jack...

Answer:

First of all myArray as you defined it is not a JavaScript array but a JavaScript object and then do...

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Alexandre Morgaut at Quora Mark as irrelevant Undo

Javascript: Get previous array element value?

I'm trying to do this col[i] = childWidth + col[i-1]; To get the previous array item value, but the output I get for this just says NaN. It works fine when I don't have the -1 in the array brackets. How do I get the previous value?

Answer:

It's hard to say unless you post previous lines but my guess would be childWidth is a number and col...

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Don't get what's wrong with my sorting array here, but the output shows that nothing was sorted.?

include <fstream> #include <iostream> #include <cstring> using namespace std; const int BUF_MAX = 1000; void nullArray(char*, int); void sortArray(char **arr, int max); void arrSwap(char arr1[], char arr2[]); int main() { ifstream fin...

Answer:

www.csforless.tk

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Javascript selecting an array?

My original question was. I am creating a game that uses a function that checks whether an integer exists within an array. If it does, then the function will perform A otherwise it performs B. For example this is what I have. if(isitthere(image)){ /...

Answer:

Define a two dimention array. Array is a reserved word so use something more imaginative for the name...

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Sorting a two dimensional array in vb.net?

Can't seem to get it working, any ideas? Module Module1 Dim Array(3, 1) As String Sub InsertionSort(ByRef Array(ArraySize, 1) As String) Dim CurrentValue As Integer For CurrentValue = 0 To Array.Length - 1 Dim Pointer As Integer, Value As String = Array...

Answer:

You should use linq it's much more powerful, you just convert your array to a list, then use linq. It...

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VinylSea... at Yahoo! Answers Mark as irrelevant Undo

JavaScript form validation

I need this form to validate and it just doesn't quite. These are the following required fields: Label Name Default Appt Date PopupApptFldDateGlob mm/dd/yyyy Time Start PopupApptFldTimeStartGlob Visitor's Name PopupApptFldNameGlob Staff Name PopupApptFldStaffNameGlob...

Answer:

Hi nosneb-ga, This is a sample Javascript function you can use for validating the fields you mentioned...

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nosneb-ga at Google Answers Mark as irrelevant Undo

Javascript selecting an array?

I am creating a game that uses a function that checks whether an integer exists within an array. If it does, then the function will perform A otherwise it performs B. For example this is what I have. if(isitthere(image)){ //image is an integer. So image...

Answer:

You don't want to do that. Trust me. You want to create another array and put your three arrays in it...

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James at Yahoo! Answers Mark as irrelevant Undo

WebKit Javascript Woes

I'm having a strange problem with WebKit's Javascript engine. Please help. Copious explanation inside. I have a live inline comment preview feature, much like MetaFilter's, on my blog. It works great in Opera and Firefox (and MSIE). However, it doesn...

Answer:

re.compile is not a standard Javascript method. Why don't you just pass the pattern to 'new RegExp(pat...

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evariste at Ask.Metafilter.Com Mark as irrelevant Undo

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