How do I copy all objects from one prefix to other? I have tried all possible ways to copy all objects in one shot from one prefix to other, but the only way that seems to work is by looping over a list of objects and copying them one by one. This is really inefficient. If I have hundreds of
Author: admin@master
What is ‘typeof define === ‘function’ && define[‘amd’]’ used for?
What purpose does the following code serve? What does factory function do here? Here root is window object. Is factory a default java script function? In what kind of scenarios this type of code can be used. This code is from toggle.js from Simon Tabor. Zepto and ender are libraries. Is this mostly used in li…
Check if element is partially in viewport
I’m trying to determine if an element is partially or fully in the viewport. I’ve found this which will determine if an element is fully in view but kept getting confused when trying to determine partial visibility. I don’t want to use jQuery. Basically, the idea is that there will be an ele…
Sum red row of a table in javascript and then alter the table
My web application collects data with: id (key value) timestamp value Then, it creates an HTML table like this: Explanation: It sorts the timestamp value in DESC order. If, for example, t1 is the timestamp for ID1 and ‘t2’ is the timestamp for ID2, and… t1 + 2 seconds >= t2 the ID2 row be…
Calculate percentage Javascript
I have a question about javascript logic what I use to get percent of two inputs from my text fields. Here is my code: For some reason if my inputs are 600 and 200, my result suppose to be 33.333 but I’m getting 3.333. If I hard code my values this works fine. If anyone can help I appreciate that.
react-router go back a page how do you configure history?
Can anyone please tell me how I can go back to the previous page rather than a specific route? When using this code: Get this error, goBack() was ignored because there is no router history Here are my routes: Answer I think you just need to enable BrowserHistory on your router by intializing it like that : &l…
Visualize a nested JSON structure
Consider this JSON object : Obviously this is a nested data structure, and there are many records, in this example in the deepest level we have about 2000 records. what is the best way to visualize this in a responsive and interactive manner. I have already used the table, and it doesn’t look that inter…
word frequency in javascript
How can I implement javascript function to calculate frequency of each word in a given sentence. this is my code: am unable to trace out the problem ..any help is greatly appriciated. output in this format: count of is – 1 count of the – 2.. input: this is anil is kum the anil Answer I feel you ha…
How To Convert String ‘ dd/mm/yy hh:MM:ss ‘ to Date in javascript?
I have Done this Is there Any way to do it using JQuery OR JavaScript? Answer If you are looking for alternatives in jquery or Javascript , then you can go with Moment.js,where you can Parse, Validate, Manipulate, and Display dates in JavaScript. example:
Parse XLSX with Node and create json
Ok so I found this really well documented node_module called js-xlsx Question: How can I parse an xlsx to output json? Here is what the excel sheet looks like: In the end the json should look like this: index.js: Answer Improved Version of “Josh Marinacci” answer , it will read beyond Z column (i.…