100dayofcode

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.

day 16

this keyword

• 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 event this refer the element that receive the event.
• methoed call() apply() bind() can refer to this anyobject.

how to assign object method

• object.methodName()

javascript events

• when we want to interration with HTML a manupation the HTML DOM(Document object MOdule), we use the event lister

javascript eventhandler

• event handler used to vaerify user action, user input, broswer action