javascript - Unexpected Token Illegal with onclick Java Script in Salesforce.com -


i have been working on of morning no end. trying execute button uses onclick java in salesforce.com , keeps throwing errors. think issue may special characters in data works when use text. time numbers or special characters present error "unexpected token illegal". can me see doing wrong , how can away failing when special characters involved?

{!requirescript("/soap/ajax/28.0/connection.js")}    var opptyobj = new sforce.sobject("opportunity"); var caseobj = new sforce.sobject("case"); var today = new date(); var sopptyid = "{!case.opportunity__c}";  if( sopptyid != "") {  alert("this case tied opportunity!"); }  else {  opptyobj.accountid = "{!case.accountid}"; opptyobj.closedate = sforce.internal.datetimetostring(today); opptyobj.description="{!case.description}"; opptyobj.case__c = "{!case.id}"; opptyobj.name = "{!case.subject}"; opptyobj.stagename = "estimate in progress"; opptyobj.created_from_case__c = "y"; opptyobj.type = "new business"; opptyobj.amount = ".01";  var opptyresult = sforce.connection.create([opptyobj]);  if (opptyresult[0].success=='false')  {  alert("opportunity creation failed: " + opptyresult[0].errors.message); }  else  {  caseobj.id = '{!case.id}'; caseobj.opportunity__c = opptyresult[0].id; caseobj.status = "estimate in progress";  var caseresult = sforce.connection.update([caseobj]);  if(caseresult[0].success == 'false')  {  alert("case update failed: " + caseresult[0].errors.message); }  else  {  alert("an opportunity has been created , linked case."); location.reload(true); }  }  }

assuming kind of template, whatever rendering needs escape values in strings it's inserting.

given this:

opptyobj.description="{!case.description}";

let's enter description consisting of this:

"that awesome," said john.

when rendered in template result this:

opptyobj.description=""that awesome," said john.";

as might able see, result syntax error.

you need escape quote characters in text inserted way. , without knowing technology rendering template can't give specifics, want replace " \" , ' \'. \ escapes characters, forcing them treated literal characters in string instead of other special meaning.

this must done it's being inserted script. in spirit of this:

opptyobj.description="{!case.description.replace(/'/, "\\'").replace(/"/, '\\"')}

exactly how depends on language or template engine being used here. th eresult should this:

opptyobj.description="\"that awesome,\" said john.";

ruby on rails implements escape_javascript method, sanitizes data injection javascript. following replacements. seems baseline.

  • '\\' => '\\\\'
  • '</' => '<\/'
  • "\r\n" => '\n'
  • "\n" => '\n'
  • "\r" => '\n'
  • '"' => '\\"'
  • "'" => "\\'"

update:

according this: http://www.salesforce.com/us/developer/docs/pages/content/pages_security_tips_scontrols.htm

it looks want jsencode function. this, perhaps?

opptyobj.description="{!jsencode(case.description)}";

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