Pure semantic HTML/CSS solution This is easy to implement on your own, no pre-made solution necessary. Also it will teach you a lot as you don’t seem too easy with CSS. This is what you need to do: Your checkboxes need to have distinct id attributes. This allows you to connect a <label> to it, using the label’s for-attribute. Example: … Read more
You can do that with JavaScript by adding an event listener for the “contextmenu” event and calling the preventDefault() method: That being said: DON’T DO IT. Why? Because it achieves nothing other than annoying users. Also many browsers have a security option to disallow disabling of the right click (context) menu anyway. Not sure why you’d want to. … Read more
The reason you’re seeing that error is because document.getElementsByName returns a NodeList of elements. And a NodeList of elements does not have a .value property. Use this instead:
You can use concat to merge arrays: Run code snippetExpand snippet Using the apply method of concat will just take the second parameter as an array, so the last line is identical to this: There is also the Array.prototype.flat() method (introduced in ES2019) which you could use to flatten the arrays, although it is only available in Node.js starting with version 11, and not … Read more
In Firefox, these function behave quite differently: log only prints out a toString representation, whereas dir prints out a navigable tree. In Chrome, log already prints out a tree — most of the time. However, Chrome’s log still stringifies certain classes of objects, even if they have properties. Perhaps the clearest example of a difference is a regular expression: You can also see a clear difference … Read more
I would like to upload a file asynchronously with jQuery. Run code snippetExpand snippet Instead of the file being uploaded, I am only getting the filename. What can I do to fix this problem?
The difference is that apply lets you invoke the function with arguments as an array; call requires the parameters be listed explicitly. A useful mnemonic is “A for array and C for comma.” See MDN’s documentation on apply and call. Pseudo syntax: theFunction.apply(valueForThis, arrayOfArgs) theFunction.call(valueForThis, arg1, arg2, …) There is also, as of ES6, the possibility to spread the array for use with the call function, you can see the compatibilities here. Sample code:
You’re probably looking for confirm(), which displays a prompt and returns true or false based on what the user decided:
The color plugin is only 4kb so much cheaper than the UI library. Of course you’ll want to use a decent version of the plugin and not some buggy old thing which doesn’t handle Safari and crashes when the transitions are too fast. Since a minified version isn’t supplied you might like test various compressors and make your own min version. … Read more
Service vs Factory The difference between factory and service is just like the difference between a function and an object Factory Provider Gives us the function’s return value ie. You just create an object, add properties to it, then return that same object.When you pass this service into your controller, those properties on the object will now … Read more