Language.Javascript.JSaddle.Evaluate

If you just want to run some JavaScript that you have as a string this is you can use eval or evaluateScript.

Documentation

evaluateScript

Arguments

:: (MakeStringRef script, MakeObjectRef this, MakeStringRef url)

=> script

JavaScript to evaluate

-> this

-> url

-> Int

The Line number of the first line of the script

-> JSM JSValueRef

Evaluates a script (like eval in java script). Unlike eval this function lets you specify a source URL and starting line number for beter error information.

>>> testJSaddle $ (evaluateScript "\n\n{" global "FileName" 53 >>= valToText) `catch` \(JSException e) -> array (e,e!"sourceURL", e!"line") >>= valToText
SyntaxError: Expected token '}',FileName,55

eval

Arguments

:: MakeStringRef script

=> script

JavaScript to evaluate

-> JSM JSValueRef

Evaluates a script (like eval in java script)

>>> testJSaddle $ eval "1+1"
2