I need to monitor results . If the results.length increases, the array will be overwritten and saved. If the length decreases, then the array will be overwritten, but the new value won’t save. Answer I found de wae!
Tag: slice
How to get first N number of elements from an array
I am working with Javascript(ES6) /FaceBook react and trying to get the first 3 elements of an array that varies in size. I would like do the equivalent of Linq take(n). In my Jsx file I have the following: Then to get the first 3 items I tried This didn’t work as map doesn’t have a set function. Can you
Fastest way to duplicate an array in JavaScript – slice vs. ‘for’ loop
In order to duplicate an array in JavaScript: Which of the following is faster to use? Slice method For loop I know both ways do only a shallow copy: if original_array contains references to objects, objects won’t be cloned, but only the references will be copied, and therefore both arrays will have references to the same objects. But this is
How do I chop/slice/trim off last character in string using Javascript?
I have a string, 12345.00, and I would like it to return 12345.0. I have looked at trim, but it looks like it is only trimming whitespace and slice which I don’t see how this would work. Any suggestions? Answer You can use the substring function: This is the accepted answer, but as per the conversations below, the slice syntax