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Articles tagged with #html5
First Principle "The state of your whole application is stored in an object tree within a single store." It means that the state of our application is maintained in a single object which the Redux storage would manage. For example- If we have a state...
JSX stands for JavaScript XML. JSX allows us to write HTML elements in JavaScript and place them in the DOM without any document.getElementById(), createElement() or appendChild() methods. JSX is faster than normal JavaScript language. JSX is used to...
Promise chaining is used for handling more than one asynchronous task one after the other. What is Promise Chaining? We use asynchronous functions which return promises and use resolve values with the help of .then. And that value we further use in a...
We use try and catch for error handling in JavaScript. But there is another keyword that is used with try and catch. The keyword is finally. When we write code using try and catch for handling errors. If the code is errorless, then try block statemen...
When we use multiple nested callback functions a big problem arises which is known as Callback Hell or pyramid of doom. The promise is used to handle multiple asynchronous functions and their errors (if occur). A promise contains two parameters, the ...
A callback is a function that is passed as an argument to another function. This method is used to execute a function(passed as an argument) when the function has finished. When we use multiple nested callback functions a big problem arises which is ...
