Disable/enable an input with jQuery?

jQuery 1.6+ To change the disabled property you should use the .prop() function. jQuery 1.5 and below The .prop() function doesn’t exist, but .attr() does similar: Set the disabled attribute. To enable again, the proper method is to use .removeAttr() In any version of jQuery You can always rely on the actual DOM object and is probably a little faster than the other two … Read more

JavaScript: filter() for Objects

Never ever extend Object.prototype. Horrible things will happen to your code. Things will break. You’re extending all object types, including object literals. Here’s a quick example you can try: Instead create a function that you pass the object.

Rock, Paper, Scissors in JavaScript

You were unable to see the issue most likely due to poor indentation of your code. Properly indented the issue is clear: Your if (choice1 === “scissors”) { is within if (choice1 === “paper”) {. The code within will never be reached.

ReferenceError : window is not defined at object. Node.js

window is a browser thing that doesn’t exist on Node. If you really want to create a global, use global instead: global is Node’s identifier for the global object, like window is on browsers. But, there’s no need to create truly global variables in Node programs. Instead, just create a module global: …and since you include it in your exports, other modules can … Read more

“Uncaught (in promise) undefined” error when using with=location in Facebook Graph API query

The error tells you that there is an error but you don´t catch it. This is how you can catch it: You can also just put a console.log(reponse) at the beginning of your API callback function, there is definitely an error message from the Graph API in it. More information: https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/Promise/catch Or with async/await:

Escape quotes in JavaScript

You need to escape the string you are writing out into DoEdit to scrub out the double-quote characters. They are causing the onclick HTML attribute to close prematurely. Using the JavaScript escape character, \, isn’t sufficient in the HTML context. You need to replace the double-quote with the proper XML entity representation, ".

Why Is `Export Default Const` invalid?

const is like let, it is a LexicalDeclaration (VariableStatement, Declaration) used to define an identifier in your block. You are trying to mix this with the default keyword, which expects a HoistableDeclaration, ClassDeclaration or AssignmentExpression to follow it. Therefore it is a SyntaxError. If you want to const something you need to provide the identifier and not use default. export by itself accepts a VariableStatement or Declaration to its right. The following is fineexport default Tab; … Read more