I don’t quite understand the functioning of the url parameter of XMLHttpRequest open(method, url, async). Let’s say I have a web server like that: page.html sends an asynchronous request to controller.php. As we can only send requests to our own web server, I assume that we don’t have to rewrite the website’s name in the URL. Example: instead of open(‘GET’,
Tag: javascript
Firefox: Service Worker: SecurityError: DOMException: The Operation is insecure
In app.js, I am checking the serviceWorker existence in navigator object and if available then registering the SW. When trying to register SW, I receive the below error in Firefox. I also made sure the service-worker.js file is under src directory. Checking my about:config in Firefox (version 59.0.2) I had service worker and storage api enabled. So that shouldn’t be
How to call JavaScript functions from Typescript in Angular 5?
I’m working on PDF Viewer development in Angular 5. I’m done with writing HTML code for the UI part. Now I’ve JavaScript files that provide functionality for the UI elements. As Angular 5 supports typescript for implementing functionality for UI components, I want to include JavaScript files in Angular Project and call them from my Typescript code. Questions: How and
Maximum Subarray (Kadane’s algorithm approach)
https://leetcode.com/problems/maximum-subarray/description/ Input test case: [-2,1,-3,4,-1,2,1,-5,4] [-2, -1] [-2, 1] [1] [1, 2] I wanted to pass this case Input: [-2, -1] so that I modified var currentMax = 0; and var max = 0; to current code. Apparently, Kadane’s algorithm is needed to include at least one positive number so that second case might not be solved by this. Is
vue js cant understand keep alive
I’m doing tests with this code: https://jsfiddle.net/b2qj69o1/25/ And the js part I did the alert() test to see whether vue will re-render the component. I see that with or without wraping <component> with <keep-alive>, the alert() if called only the first time I enter the Home tab. So I have two questions: 1. What exactly keep-alive does? cause it seems
How to inherit css styles in child component from parent in Angular 5
I have a parent component inside which I have a child component. The parent component have some css classes, where child component extends them. I tried to use :host as looking at documentation, but cant’t seem to get it work properly. child component: parent component: parent component css: The problem if even I put css classes inside the child component,
How can I develop my userscript in my favourite IDE and avoid copy-pasting it to the Tampermonkey’s editor every time?
For security reasons, Tampermonkey scripts are not saved in accessible files, but in a plugin data. The only way to edit them is to use Tampermonkey’s integrated editor. However, I’d rather use IDE, with all its features. I also want to use webpack to pack the script from multiple files. To do that, I need a way to programmatically change
How can I disable a link in the vue component?
My html like this : My javascript like this : Demo and full code like this : https://jsfiddle.net/q7xcbuxd/221/ I try like that. But if I click button add, it’s not disabled How can I solve this problem? Answer Since you are using boostrap, the proper way to disable a (anchor) button is not to set .disabled = true, but to
js get list of own static properties
I have a class with static properties and I want to get a list of all property values: Now I want to get: [‘all time’, ‘month’, ‘week’, ‘day’] Answer What’s your use case here? If you’re looking for a way to have some properties that you can iterate through but also refer to by key, then you can just use
Multiply (a)(b) function possible?
I have an oddball of a question from a code quiz. They expect me to write a function that multiplies (a) and (b) but instead of writing it like: They expect me to do the math with: Is it possible ? Answer Make a function that returns another function.