day 1-09 //we learn about Html and CSs and Complate Freecode Web Resposive Certificate.
day 10 // learn about Js object and Nested object with also record collecction in Js Object.
- in the javascript
.this
keyword refer to object,this object depent how this function called and used. - in object method,
this
refer to object. - alone this refer to global object.
- in the fuction
this
refer global object, in the eventthis
refer the element that receive the event. - methoed
call() apply() bind()
can refer tothis
anyobject.
object.methodName()
- when we want to interration with HTML a manupation the HTML DOM(Document object MOdule), we use the event lister
- event handler used to vaerify user action, user input, broswer action