Common Error Messages

Here are some common error messages you may encounter when using complex template expressions:

  • "Template syntax error: Expected quoted attribute value" — Complex expression in attribute without quotes
  • "Template syntax error: Unexpected token" — HTML non-compliant character (like <) in text node, or malformed expression
  • "'this' is not allowed in template expressions" — Using this keyword
  • "'new' operator is not allowed in template expressions" — Using new operator
  • "Function declarations are not allowed in template expressions" — Using function declaration instead of arrow function
  • "Arrow functions with block bodies are not allowed" — Using block body in arrow function
  • "Assignment operators are not allowed outside arrow functions" — Assignment outside arrow function
  • "Update operators are not allowed outside arrow functions" — Update operator (++, --) outside arrow function

Using HTML non-compliant characters like < in text node expressions will cause parsing errors.

Malformed expressions will result in syntax errors.