Console

The console object provide the simple debugging console which provide a log and error message.

Object: console

Console object is a global object.

console.log([...data])

• ...data <any>Data which is shown in the console.

Print out the data. to the console. The all data are converted to String object automatically so there's no need to change it to String object.

// print out "100 string value true 1,2,3"
var number = 100;
var result = true;
var arr = [1, 2, 3];
console.log(number, 'string value', result, arr);

console.error([...data])

• ...data <any>Data which is shown in the console.

Print out the data with red color to the console. The all data and arguments are converted to String object automatically so there's no need to change it to String object.

// print out "100 string value true 1,2,3"
var number = 100;
var result = true;
var arr = [1, 2, 3];
console.error(number, 'string value', result, arr);