What are the common causes of a 'javascript unexpected token illegal' error when writing smart contracts for digital currencies?

3 answers

• choco holicJan 14, 2021 · 5 years ago
  This error usually occurs when there is a syntax error in your JavaScript code. It could be caused by missing or misplaced brackets, semicolons, or quotation marks. Make sure to carefully review your code and check for any syntax errors. Additionally, using a linter or an IDE with built-in syntax highlighting can help you identify and fix these errors quickly. Another possible cause of this error is using unsupported or deprecated JavaScript features. Make sure you are using a version of JavaScript that is compatible with the platform or framework you are working with. If you are using a specific library or framework for your smart contracts, check their documentation to ensure compatibility. Lastly, this error can also occur if you have a typo or misspelled a variable or function name. Double-check your code for any typos and ensure that all variable and function names are correctly spelled and referenced. I hope these tips help you troubleshoot and fix the 'javascript unexpected token illegal' error in your smart contracts for digital currencies!
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• Ibrahim RebwarDec 29, 2022 · 3 years ago
  Oh boy, that 'javascript unexpected token illegal' error can be a real pain, can't it? Well, fear not! I'm here to help you out. This error usually pops up when there's a problem with your JavaScript code. It could be a missing bracket, a misplaced semicolon, or even a quotation mark in the wrong place. So, the first thing you need to do is carefully go through your code and check for any syntax errors. You might also want to consider using a linter or an IDE with syntax highlighting to make your life a bit easier. Another possible cause of this error is using outdated or unsupported JavaScript features. Make sure you're using a version of JavaScript that's compatible with the platform or framework you're working with. If you're using a specific library or framework for your smart contracts, make sure to consult their documentation to ensure compatibility. Lastly, typos can also be the culprit behind this error. So, make sure to double-check your code for any misspelled variable or function names. Trust me, it happens to the best of us! I hope these tips help you get rid of that pesky 'javascript unexpected token illegal' error and get back to writing awesome smart contracts for digital currencies!
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• Bruna NascimentoJul 19, 2025 · a month ago
  When it comes to smart contracts for digital currencies, encountering a 'javascript unexpected token illegal' error is not uncommon. This error typically occurs due to a syntax error in your JavaScript code. It could be caused by something as simple as a missing or misplaced bracket, semicolon, or quotation mark. To fix this error, carefully review your code and check for any syntax mistakes. You can also use tools like linters or IDEs with syntax highlighting to help you identify and resolve these errors. Another possible cause of this error is using outdated or unsupported JavaScript features. Make sure you are using a version of JavaScript that is compatible with the platform or framework you are working with. If you are using a specific library or framework for your smart contracts, consult their documentation to ensure compatibility. Lastly, double-check your code for any typos or misspelled variable or function names. These small mistakes can also lead to the 'javascript unexpected token illegal' error. Taking the time to review and correct these errors can save you a lot of headache in the long run. I hope these suggestions help you troubleshoot and fix the 'javascript unexpected token illegal' error in your smart contracts for digital currencies!
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