【ServiceNow】デバッグの実装方針

主題

• JavaScript Log and jslog()
• Field Watcher
• try/catch
• Debugging tools built into web browsers (browser dependent)

解説

jslog()

• Strings
• g_form methods
• g_user properties and methods
• Variables

ソースコード

function onLoad(){
  var x = 7;
  jslog("This message is from jslog().");   
  jslog("The value of x = " + x); 
  jslog("The NeedIt State value = " + g_form.getValue('state'));
  jslog("The currently logged in user is " + g_user.getFullName() + ".");
  }

アウトプット（ログ）監視の方法

try/catch

ソースコード

function onLoad() {
  // Using Try/Catch to trap runtime errors.  
  // The helloWorld() function does not exist.
    
 try{
  helloWorld();
 }
 catch(err){
  jslog('A JavaScript runtime error occurred: ' + err.message);
 }
}

ブラウザデバッガー