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…
Tag: javascript
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.…
React Native – Image Require Module using Dynamic Names
I’m currently building a test app using React Native. The Image module thus far has been working fine. For example, if I had an image named avatar, the below code snippet works fine. But if I change it to a dynamic string, I get I get the error: Requiring unknown module “image!avatar”. If yo…
How to make my userscript work on specific pages of a site that uses the history api?
(This is in continuation of this discussion) I’ve been trying to make a script (for instagram) that shows how many images out of total are currently visible when viewing a profile page (example profile). It shows the counter in the upper right corner of the screen and supports infinite scrolling. Here i…
how to implement mousemove while mouseDown pressed js
I have to implement mouse move event only when mouse down is pressed. I need to execute “OK Moved” only when mouse down and mouse move. I used this code Answer Use the mousemove event. From mousemove and mouseover jquery docs: The mousemove event is sent to an element when the mouse pointer moves …
Dynamically change content of popover in bootstrap
I am trying to change the content of bootstrap popover dynamically but it is not working. Fiddler: https://jsfiddle.net/99x50s2s/62/ HTML: JS: Current Result: When Save changes button is clicked, the content ‘There are no changes to save’ is displayed. Expectation: The dynamic content “Canno…
Getting data out of a database with XMLHttpRequest, PDO, JSON, PHP and JavaScript
So following my last question I want to use the value that is submitted in the input tag to get the matching id in my database. I have created two files for it but I can’t figure out how to link them. Also note I made a database with a few values(id, firstname, etc.) and when the user fills in