How can I calculate canvas size based on its container? To avoid scrolling. If I set the size based on window the canvas is too big. Answer Well,that’s not difficult.Set your render’s size will work.
Tag: javascript
How can I use document.querySelector to select this class name with a space in it?
I have been using But now, the class name has changed: there’s a space and some new text in the class name: How can I change el = document.querySelector(“.PrmryBtnMed”); to find the right class? I tried using el = document.querySelector(“.PrmryBtnMed.ApricotWheat”); but that didn’t wor…
How to get the canvas-relative position of an object that is in a group?
Normally an object’s position relative to the canvas can be gotten from it’s .left and .top attributes, but these become relative to the group if the object is in a selection/group. Is there a way to get their position relative to the canvas? Answer When an object is inside a group, its coordinate…
Sequelize Where statement with date
I am using Sequelize as my backend ORM. Now I wish to do some WHERE operations on a Date. More specifically, I want to get all data where a date is between now and 7 days ago. The problem is that the documentation does not specify which operations you can do on Datatypes.DATE Can anyone point me in the right
ReferenceError: Chart is not defined – chartjs
Is there a bug with Chart.js? Every time I add any of the graphs at Chart.js to my website I get an error, but when I used the graph as stand-alone program it runs smoothly without errors. I am using HTML5. SOLVED: I just decoupled the script from the canvas element (made another file for the script to execut…
Fetch: POST JSON data
I’m trying to POST a JSON object using fetch. From what I can understand, I need to attach a stringified object to the body of the request, e.g.: When using jsfiddle’s JSON echo I’d expect to see the object I’ve sent ({a: 1, b: 2}) back, but this does not happen – chrome devtools…
Slick carousel right to left
I’ve setup slick carousel to continuously scroll, however I need to to scroll in the oposite direction. Adding the RTL option didn’t seem to work. Fiddle here (currently left to right) http://jsfiddle.net/mth2ghod/ Answer Change the slidesToScroll to a -1 (it will change the slide direction)
How to resolve TypeError: Cannot convert undefined or null to object
I’ve written a couple of functions that effectively replicate JSON.stringify(), converting a range of values into stringified versions. When I port my code over to JSBin and run it on some sample values, it functions just fine. But I’m getting this error in a spec runner designed to test this. My …
How can I run a jQuery function only when it’s needed?
I’ve run into a problem where I have a responsive slider running on my site which has been added to an external .js file. I am running into an issue with a modal not popping up on the homepage because the page is looking for the slider which is only included on a couple of sub pages. Chrome console is
generate 4 digit random number using substring
I am trying to execute below code: I am getting error like undefined is not a function at line 2, but when I try to do alert(a), it has something. What is wrong here? Answer That’s because a is a number, not a string. What you probably want to do is something like this: Math.random() will generate a flo…