I’m listening to a custom event: I need to remove the listener. I’ve tried: but neither work. What am I doing wrong? Answer The third argument to removeEventListener is mandatory. try this:
Author: admin@master
Enabling colors in term.js
I am using term.js for emulating a terminal in the web browser via JavaScript and Node.js. I have already setup the basic implementation and I can connect to both local as well as remote host (I use node ssh2 to connect to a remote host). Everything works as expected, except that it’s black and white (b…
node.js TypeError: path must be absolute or specify root to res.sendFile [failed to parse JSON]
[add] So my next problem is that when i try adding a new dependence (npm install –save socket.io). The JSON file is also valid. I get this error: Failed to parse json So I’ve been trying to figure out why this error has been returning. All of the files (HTML,JSON,JS) are inside the same folder on …
Call multiple functions onClick ReactJS
I know in vanilla JavaScript, we can do: What would be the equivalent for making two function calls onClick in ReactJS? I know calling one function is like this: Answer Wrap your two+ function calls in another function/method. Here are a couple variants of that idea: 1) Separate method or with ES6 classes: 2)…
Bookmarklet in email
Is it possible to drag a bookmarklet from an email? Gmail doesn’t convert the raw javascript into a draggable link and will not attach javascript to image links. I tried several workarounds. I tried dragging a link then tried to redirect the header location with php. Putting JS in the header redirect is…
How to get difference between 2 Dates in Years, Months and days using moment.js
How to get difference between 2 Dates in Years, Months and days using moment.js? For example the difference between 4/5/2014 & 2/22/2013 should be calculated as 1 Year, 1 Month and 14 Days. Answer Moment.js can’t handle this scenario directly. It does allow you to take the difference between two mom…
Using AngularJS for Ajax POST in Struts 1
I’m trying to send Ajax POST using Struts action form. I’ve succeeded to create this kind of call using jQuery. ActionForm: Action: jQuery Ajax POST (working): AngularJS Ajax POST (not working): for some reason AngularJS doesn’t like the way I’m sending the ActionForm data. Answer It i…
jAlert and jConfirm not working correctly together
Here’s is my code When I run this code alert (hi) appears first and then jAlert appears, but the control remains with alert (The “Ok” button of jAlert doesn’t work) but once I press “Ok” in the alert box disappears along with the jAlert and jConfirm pops up. And also if I r…
Check if variable is false and not either true or undefined
What’s the best way to check if myvar javascript variable === false or not (it may be undefined as well). would be fine but myvar it could be undefined. Only false value is acceptable, not undefined. Any shorter than if (typeof myvar !== “undefined” && myvar === false)? Answer If the…
javascript fizzbuzz switch statement
I’m currently taking the code academy course on Javascript and I’m stuck on the FizzBuzz task. I need to count from 1-20 and if the number is divisible by 3 print fizz, by 5 print buzz, by both print fizzbuzz, else just print the number. I was able to do it with if/ else if statements, but I wante…