In openlayers version v3.6 running in Chrome on Ubuntu I have create a map with several layers (foo, bar, beltch) in it using the syntax: I would like to limit interactions to the layers foo and bar The api documents at http://openlayers.org/en/master/apidoc/ol.interaction.Select.html suggest using the follow…
Tag: javascript
How to show a popup modal in codeIgniter?
I have written a javascript click function to a class to display a popup when the relevant class be clicked. When i just put an alert it gives me the correct output. but the popup modal is doesn’t show up Model I am using following model function And i am calling that method in the following controller …
Selecting and removing a html select option without selecting by index or ID, using vanilla JavaScript
I need to remove an option on a select box, and I’ve figured out a potential solution in the code below, but it doesn’t feel particularly ‘safe’ (if another developer decided to add an option to the backend, the option will re-appear). Is there a better way of achieving this without re…
How to send current page number in Ajax request
I am using jQuery DataTable to display huge amount of data in a table. I am getting data page wise on Ajax request like this: and here is the spring controller: The problem is that when I change page in table it alerts correct pageNo on page (in JavaScript), but in spring controller I am always getting the in…
Convert javascript object camelCase keys to underscore_case
I want to be able to pass any javascript object containing camelCase keys through a method and return an object with underscore_case keys, mapped to the same values. So, I have this: And I want a method to output this: What’s the fastest way to write a method that takes any object with any number of key…
How to copy/move all objects in Amazon S3 from one prefix to other using the AWS SDK for Node.js
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
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.