How to navigate in React Router programmatically?
Akash Mittal
This is a common use case when we want to navigate in React router programmatically without using Link or NavLink components. There are many ways of doing that but since…
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React JS
43 posts
.map is not a function
map() can only be used with Arrays. So, if you are getting error .map is not a function, you are probably using it on either the objects or other variables…
A router may have only one child element – React Router Dom Error
React router dom throws the error that a router may have only one child element if more than 1 routes are defined without enclosing them in div or switch. Generally,…
uncaught (in promise) syntaxerror: unexpected token
React throws error uncaught (in promise) syntaxerror: unexpected token < in json at position 0, when it is not able to find the JSON file. But why this happens? Because…
React hook useeffect has a missing dependency
Eslint throws react hook useeffect has a missing dependency when we include partial dependency parameters. It says you should either include all or none. This is just a warning and…
React Error – jsx expressions must have one parent element
React throws the error, jsx expressions must have one parent element, when you try to return JSX without having any enclosing container element. This is a very common error and…
You should not use route or withrouter() or Link outside a router
React router throws the error, “you should not use route or withrouter() outside a router” when you have not defined BrowserRouter and still using Link or NavLink or Router components.…
could not find a declaration file for module – React TypeScript Error
React Typescript throws the error, could not find a declaration file for module, due to number of reasons. Check out the possible solutions to solve the issue – Suppose your…
‘react-scripts’ is not recognized as an internal or external command
React throws error ‘react-scripts’ is not recognized as an internal or external command, when either react-scripts is not installed or there is folder permission errors. Follow these steps to solve…
React Error – module not found: can’t resolve
React throws the error, module not found: can’t resolve, when either the module is not defined or its path is incorrect. Case 1: When module is not defined If the…
React Error: target container is not a dom element
React throws the error, target container is not a dom element, when we include the build script before the root element. The solution is to always include the build scripts…
React Error – Each child in a list should have a unique “key” prop
React throws error, each child in a list should have a unique “key” prop when you do not provide key prop in the list item. Let’s understand what this is…
React Error – cannot read property ‘setstate’ or ‘state’ or ‘props’ of undefined
So, you got the React error – cannot read property ‘setstate’ or ‘state’ or ‘props’ of undefined? Alright. Let’s see why it happens and how to solve it. We use…
React typeerror: cannot read property ‘map’ of undefined
React throws typeerror: cannot read property ‘map’ of undefined, when we try to use anything but arrays. According to MDN documentation – The map() method creates a new array populated with the results of…
React – Expected an assignment or function call and instead saw an expression no-unused-expressions
React throws the error “expected an assignment or function call and instead saw an expression no-unused-expressions” in the situations when we wrongly put parenthesis () and curly braces {}. You…
React convert JSON to CSV
React convert JSON to CSV using JSONToCSVConvertor function. Suppose you have a table (GUI react table tool) and you want to export it into excel, then this function will come…
React download files on button click
React download files on button click using temporary anchor tag. It is helpful in case when you are getting binary data from a link. This binary file could be pdf,…
React Router DOM – Get current route
React router dom – get current route using useLocation hook provided by v5.1 library. It will return all the properties which you get from window.location in javascript. Complete code –…
How to convert number from decimal to binary in Javascript and React?
To convert a number from decimal to binary, you can use (num >>> 0).toString(2). This will work in JavaScript, JQuery, React, React Native, VueJs and every other javascript variant framework…
React router Dom – how to redirect to an external link?
You can redirect to an external link in react router dom from Component prop of Route. As you know, you can load a component for a route by declaring it…