error handling try code example

Example 1: javascript try

var someNumber = 1;
try {
  someNumber.replace("-",""); //You can't replace a int
} catch(err) {
 console.log(err);
}

Example 2: blank catch js

try {
  try_statements
}
[catch [(exception_var)] {
  catch_statements
}]
[finally {
  finally_statements
}]