js variable in javascript try catch code example

Example 1: catch error message js

try {
  // test code
} catch (error) { // if error
  console.error(error); // return error
}

Example 2: javascript try

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