console.log()
The console.log
method is used to log or print messages to the console. It can also be used to print objects and other info.
console.log('Hello World!`); // Hello World!
JavaScript
JavaScript is a programming language that powers the dynamyc behavior on most websites. Alongside HTML and CSS, it is a core technology that makes the web run.
Methods
Methods return information about an object, and are called by appending an instance with a period.
, the method name, and parentheses.
Libraries
Libraries contain methods that can be called by appending the library name with a period .
, the method name, and set of parentheses.
Numbers
Numbers are a primitive data type. They include the set of all integers and floating point numbers.
let amount = 5
let price = 16000;
let total = 80000;
String.length
The .length
property of a string returns the number of characters that make up the string.
let message = 'Hello daddy!';
console.log(message.length); // 12
console.log('sugar'.length); // 5
Conclusion
JavaScript arrays have quite a lot of useful methods that can simplify our development efforts.Knowing these methods can save us time and can even boost the performance of our code.
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