/Javascript/React/React check if window exists

React check if window exists

Python check if file exists

import os

os.path.exists("file.txt") # Or folder, will return true or false

84

Source: guru99.com

Js check if function exists

if (typeof yourFunctionName == 'function') { 
  yourFunctionName(); 
}

2

Source: css-tricks.com

React check if window exists

if (typeof window !== 'undefined') {
    let paypal = require('paypal-checkout');
}

0

Similar codes

-2 votes150 views2 answers
React native margin
Javascript React
0 vote207 views3 answers
SyntaxError: /mnt/c/myAppFile/hello-rails-react/app/javascript/components/Greeting.js: Support for the experimental syntax 'jsx' isn't currently enabled rails
Javascript React
-1 vote198 views1 answer
Spotify player react
Javascript React
8 votes140 views1 answer
Update object in react hooks
Javascript React
1 vote149 views1 answer
React map component in
Javascript React
1 vote150 views1 answer
React material ui input max length
Javascript React
-1 vote153 views1 answer
Animation react native npm
Javascript React
0 vote138 views1 answer
./node_modules/react-chartjs-2/dist/index.modern.js Module not found: Can't resolve 'chart.js/auto' in 'C:\Users\shadi\WebstormProjects\PI_HR_HUB\node_modules\react-chartjs-2\dist'
Javascript React
0 vote167 views1 answer
React roter dom npm
Javascript React
1 vote223 views1 answer
Failed to transform react-native-reanimated-65.aar
Javascript React

Share