I have this code which works ok, the response from page somepage.php is this: Which is evaluated as JavaScript and returns it as plain text. My question is: how do I put the output into a debug <textarea id=”something”><textarea> … or a div, to view the output for debugging? Answ…
Author: admin@master
Play images in JavaScript
I want to make the image animation using JavaScript with some controllable functionality, such as play, pause and stop, the following is so far I’ve tried: But it doesn’t work as expected, when I click on start button it doesn’t not show me any image .. How can I make it work, as when I clic…
How to pass an array from HTML to Javascript?
I have a form which has multiple <select> drop-down boxes. I wish to pass the value in these drop-down boxes as an array to a JavaScript function. Currently my code is like: Where all_films is a variable from Django framework (Most probably you need not concern yourself with it). What I want to do is th…
Heroku + Node: Cannot find module error
My Node app is running fine locally, but has run into an error when deploying to Heroku. The app uses Sequelize in a /models folder, which contains index.js, Company.js and Users.js. Locally, I am able to import the models using the following code in /models/index.js: This works fine, however, when I deploy t…
Equivalent of Python’s KeyError exception in JavaScript?
I am trying to access a certain member in a JavaScript object. In order to do this, I need to try out a couple of key values. For example, Object[‘text/html’] which will give me an export link for a HTML document. However, not every object of this type will have a text/html key pair value. In Pyth…
JavaScript round number to first two digits?
I’m trying to round a number up to the first two digits. I have figured out this much: It returns 14000, but I want to round it up. Math.ceil only works to the next integer. http://jsfiddle.net/cruTY/ Note: I know I can divide n to make it a decimal, but I want this function to work for all numbers with…
Trying to understand the difference between passing ‘this’ vs. a reference to the event
I am trying to understand the differences between passing ‘this’ to a function versus passing a reference to the event itself. I am testing with two separate divs and each has a separate function for mouseover and mouseout events. I pass just ‘this’ to one function and I pass both R…
Opposite of Object.freeze or Object.seal in JavaScript
What is the opposite of Object.freeze or Object.seal? Is there a function that has a name such as detach? Answer There is no way to do this, once an object has been frozen there is no way to unfreeze it. Source Freezing an object is the ultimate form of lock-down. Once an object has been frozen it cannot be u…
Javascript – Match and parse Hsl color string with Regex
I’m trying to parse a hsl color string and get an hex color string from it. I tried using regex but can’t figure it out. How my regexp should be look like to match and parse a hsl color string to hue, saturation and value fileds. The input will be one of the belows; Thanks. Answer This is probably…
Firefox div > svg mouseover fires OUTSIDE div
I have a div with two svg-elements inside, which are shown/hidden when hovering with the mouse. The mouseover event is registered with the div. On Chrome and Safari it works, on FF the SVG sits at a different position and the “hitbox” of the div where I can hover, is very large, like 3 times the a…