web_js_run("Code= alert('Hello world');", LAST);

// Save the value 3 to parameter "Sum"
web_js_run("Code= myFunc(1, 2);",
	"ResultParam=Sum",
	"ActionStep=NO",					
	SOURCES,
	"Code= var myFunc = function(x,y) { return x+y; }", ENDITEM,
	LAST);

// Simple string manipulation
web_js_run("Code= myFunc('abc', 'def');",
	// myFunc was defined in the previous step.
	// No need to redefine, unless web_js_reset() was called.
	"ResultParam=ConcatStr",
	LAST);

web_set_max_html_param_len("4000");

web_reg_save_param("js_url_body",
	"LB=",
	"RB=",
	"Search=body",
	"RelFrameId=1",
	LAST);

web_url("js_url",
	"URL=http://127.0.0.1:1080/WebTours/myCode.js",
	"TargetFrame=",
	"Resource=0",
	"RecContentType=text/html",
	"Referer=",
	"Snapshot=t1.inf",
	"Mode=HTML",
	LAST);

web_js_run("Code=eval(LR.getParam('js_url_body'));",
		   LAST);

// Running autorun.js
web_js_run(
	"File=autorun.js",
	LAST);

// 1) Loading code.js
// 2) Calling function F(a,b), which is defined in code.js
// 3) Writing the return value of the call to F(a,b) to param1
web_js_run(
	"Code=F(a , b)",
	"ResultParam=param1",
	SOURCES,
	"File=code.js", ENDITEM,
	LAST);

This code is in the “send_request.js” file in the script folder:

	var request = new XMLHttpRequest();
	request .open('POST','validate_request.asp',true);
	var session = LR.getParam('sessionParam');
	var custom = LR.getParam('customParam');
	request.send('my_session=' + session + '&my_custom=' + custom);
	request.responseText;

Values are saved to parameters 'sessionParam' and 'customParam'.

web_reg_save_param_ex(
    "ParamName=customParam",
    "LB=:  \"",
    "RB=\",",
    SEARCH_FILTERS,
    "Scope=Body",
    "RequestUrl=*/generate_json_2_parameters.asp*",
    LAST);

web_reg_save_param_ex(
    "ParamName=sessionParam",
    "LB=:  \"",
    "RB=\",",
    "Ordinal=2",
    SEARCH_FILTERS,
    "Scope=Body",
    "RequestUrl=*/generate_json_2_parameters.asp*",
    LAST);

web_url("generate_json_2_parameters.asp",
    "URL=http://myServer/cgi-bin/json/generate_json_2_parameters.asp",
    "TargetFrame=",
    "Resource=0",
    "RecContentType=text/html",
    "Referer=http://myServer/cgi-bin/json/json_correlation_2parameters.asp",
    "Snapshot=t2.inf",
    "Mode=HTML",
    LAST);

The request is sent to 'http://www.mydomain.com/cgi-bin/json/validate_request.asp'. The response is saved to parameter "response".

web_js_run( "File=send_request.js",
	"Domain=http://www.mydomain.com/cgi-bin/json",
	"ResultParam=response",
	LAST );

web_js_reset();