Q531. What is the mental model of redux-saga?
_Saga_ is like a separate thread in your application, that's solely responsible for side effects. `redux-saga` is a redux _middleware_, which means this thread can be sta...
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Q532. How do you check whether a string contains a substring?
There are 3 possible ways to check whether a string contains a substring or not, 1. **Using includes:** ES6 provided `String.prototype.includes` method to test a string c...
Q533. What are the differences between `call()` and `put()` in redux-saga?
Both `call()` and `put()` are effect creator functions. `call()` function is used to create effect description, which instructs middleware to call the promise. `put()` fu...
Q534. What is the overflow property in CSS used for?
The overflow property specifies what should happen if content overflows an element’s box. It's possible values are: auto, none, scroll, visible.
Q535. How do you validate an email in javascript?
You can validate an email in javascript using regular expressions. It is recommended to do validations on the server side instead of the client side. Because the javascri...
Q536. What is Redux Thunk?
_Redux Thunk_ middleware allows you to write action creators that return a function instead of an action. The thunk can be used to delay the dispatch of an action, or to ...
Q537. What is the difference between `visibility:hidden` and `display:none`?
`visibility:hidden` means the tag is not visible, but the space is allocated for it on the page. `display:none` means the tag will not appear at all and there will be no ...
Q538. How do you get the current url with javascript?
You can use `window.location.href` expression to get the current url path and you can use the same expression for updating the URL too. You can also use `document.URL` fo...
Q539. What are the differences between `redux-saga` and `redux-thunk`?
Both _Redux Thunk_ and _Redux Saga_ take care of dealing with side effects. In most of the scenarios, Thunk uses _Promises_ to deal with them, whereas Saga uses _Generato...
Q540. What are the various url properties of location object?
The below `Location` object properties can be used to access URL components of the page, 1. href - The entire URL 2. protocol - The protocol of the URL 3. host - The host...