A Salesforce developer wants to review their code changes immediately and does not want to install anything on their computer or on the org.
Which tool is best suited?

A developer migrated functionality from JavaScript Remoting to a Lightning web component and ... existing getOpportunities method to provide data.

How many accounts will be inserted by the following block ofcode? for(Integer i = 0 ; i <
500; i++) { Account a = new Account(Name='New Account ' + i); insert a; }
* 0
87. Boolean odk;
Integer x;
if(abok=false;integer=x;){
X=1;
}elseif(abok=true;integer=x;){
X=2;
}elseif(abok!=null;integer=x;){
X=3;
)elseif{
X=4;}

Opportunity opp=[select id ,stagename from opportunity limit 1] Given the code above, how can a developer get the label for the stagename field?

A developer is migrating a Visualforce page into a Lightning web component.
The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?