Using JavaScript in ABAP

In ABAP we can also using JavaScript using CL_JAVA_SCRIPT class to create an instance of JavaScript, you can also check the demo program DEMO_JAVA_SCRIPT_MINI_EDITOR for your reference.

Here’s the sample code on using JavaScript in ABAP.

ZREPORT_JSCRIPT_ABAP.

data: l_JS_RESULT type ref to CL_JAVA_SCRIPT,
l_RET_VAL type STRING,
l_SRC type STRING.

* Create new JavaScript Instance
l_JS_RESULT = CL_JAVA_SCRIPT=>CREATE( ).



* Put Your JavaScript here
concatenate
'var l_SRC = "Hello World,"; '
'l_SRC += " I''m"; '
'l_SRC += " Generated From JavaScript!"; '
'l_SRC; '
into l_SRC separated by CL_ABAP_CHAR_UTILITIES=>CR_LF.
* Compiling the JavaScript

l_JS_RESULT->COMPILE( SCRIPT_NAME = 'FSP.JS' SCRIPT = l_SRC ).

* Check if there's any error

if l_JS_RESULT->LAST_CONDITION_CODE <> 0.
write: / 'Compile Error', l_JS_RESULT->LAST_ERROR_MESSAGE.
exit.
else.
write / 'JavaScript was compiled successfuly'.
endif.

* Execute the JavaScript
l_JS_RESULT->EXECUTE( SCRIPT_NAME = 'FSP.JS' ).

if l_JS_RESULT->LAST_CONDITION_CODE <> 0.
write: / 'Error in EXECUTE',l_JS_RESULT->LAST_ERROR_MESSAGE.
exit.
else.
write / 'JavaScript was executed'.
endif.
* Read the JavaScript value
l_RET_VAL = l_JS_RESULT->EVALUATE( JAVA_SCRIPT = 'l_SRC;' ).
" Display the JavaScript value
write : / l_RET_VAL.

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