But there are disadvantages, such as requiring the input to be properly formatted JSON.īy using string.replace similar to how I used string.split above, you can fix the input. If the array has only one item, then that item will be returned without using the separator. It has some other advantages such as support for nested lists. join comma in javascript array from comma separated string javascript javascript split string into array by comma and space math format comma separated in javascript how to separate thousands with comma in js array tostring js with space between commas how to seperate words seperated by commas using javascript javascript split string. The join () method creates and returns a new string by concatenating all of the elements in an array (or an array-like object ), separated by commas or a specified separator string. Here are some of the most common methods: Using the join() method: This method joins all elements of an array into a string, separated by a specified separator. It may feel like a bit of a hack, but it's simple and highly optimized by most Javascript engines. There are several ways to convert an array to a string with comma separation in Javascript. ) // numbers, empty values default to zeroĬonsole.log( num.split(/+/).map(Number) javascript - How can I convert a comma-separated string to an array - Stack Overflow How can I convert a comma-separated string to an array Ask Question Asked 13 years, 2 months ago Modified 1 month ago Viewed 1.4m times 877 I have a comma-separated string that I want to convert into an array, so I can loop through it. ) // spaces trimmed, empty values NOT skipped ) // spaces trimmed, empty values skipped ) // spaces NOT trimmed, empty values included I quickly fiddled this together: (function($) ', restString) īlock = $.trim(block) + getBlock(']', restString) So how would you interpret that? And what do you want the result to be? An array with: orĮven if you escape the comma, you'd have a problem. Observe the following: var myArr = "a,b,c,d,e,f,g,','" The join () method does not change the original array. ![]() Hmm, split is dangerous IMHO as a string can always contain a comma. Description The join () method returns an array as a string.
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