javascript
Remove duplicate values from JS array [duplicate]
Quick and dirty using jQuery:
How fix ‘Failed to load resource: the server responded with a status of 403’?
The javascripts didnt loaded eventhough I can open it directly via web browser. I want to import product in my Woocommerce site using builtin import functionality. When I run the importer, the progress bar didnt move even though I only imported 1 row of product. After I open the console, there are error “Failed to … Read more
await is only valid in async function
The error is not refering to myfunction but to start. Run code snippetExpand snippet I use the opportunity of this question to advise you about an known anti pattern using await which is : return await. WRONG Run code snippetExpand snippet CORRECT Run code snippetExpand snippet Also, know that there is a special case where return await is correct and important : (using … Read more
Error Running React Native App From Terminal (iOS)
Check out this link (Running react-native run-ios occurs an error?). It appears to be a problem with the location of Command line tools. In Xcode, select Xcode menu, then Preferences, then Locations tab. Select your Xcode version from the dropdown and exit Xcode.
Unexpected token u in JSON at position 0 (but only sometimes)
That unexpected “u” is the first letter of the string “undefined”. It happens because your two asynchronous operations (i.e. loading the JSON and loading the window) are racing to completion, and if the JSON isn’t loaded fast enough, the window.onload method will attempt to parse the JSON string that isn’t loaded yet. A solution is to move … Read more
“document.getElementByClass is not a function”
You probably meant document.getElementsByClassName() (and then grabbing the first item off the resulting node list): You may still get the error document.getElementsByClassName is not a function in older browsers, though, in which case you can provide a fallback implementation if you need to support those older browsers.ShareImprove this answerFollow
Download File Using JavaScript/jQuery
Use an invisible <iframe>: To force the browser to download a file it would otherwise be capable of rendering (such as HTML or text files), you need the server to set the file’s MIME Type to a nonsensical value, such as application/x-please-download-me or alternatively application/octet-stream, which is used for arbitrary binary data. If you only want to open it in a … Read more
Javascript Uncaught SyntaxError: Unexpected identifier
old school (internet explorer), you need to change as the previous answers stated ES2015 (ES6) has a shorthand
How to set NODE_ENV to production/development in OS X
Before running your app, you can do this in console, Or if you are in windows you could try this: for PowerShell: or you can run your app like this: You can also set it in your js file: But I don’t suggest to do it in your runtime file, since it’s not easy to … Read more