Event handlers can be used to handle and verify user input, user actions, and browser actions: Things that should be done every time a page loads. Things that should be done when the page is closed. Action that should be performed when a user clicks a button.
Scripting Event Handlers
|Event||Occurs when…||Event Handler|
|click||User clicks on form element or link||onClick|
|change||User changes value of text, textarea, or select element||onChange|
|focus||User gives form element input focus||onFocus|
|load||User loads the page in the Navigator||onLoad|
Then it works fine. My conclusion is ‘event’is a reserved word which stands for event argument in Java Script.
- Popularity. …
- Interoperability. …
- Server Load. …
- Gives the ability to create rich interfaces.
|Event Performed||Event Handler||Description|
|click||onclick||When mouse click on an element|
|mouseover||onmouseover||When the cursor of the mouse comes over the element|
|mouseout||onmouseout||When the cursor of the mouse leaves an element|
|mousedown||onmousedown||When the mouse button is pressed over the element|
e is the short var reference for event object which will be passed to event handlers. The event object essentially has lot of interesting methods and properties that can be used in the event handlers.
What is event attributes in HTML?
How does a for loop start?
The loop initialization where we initialize our counter to a starting value. The initialization statement is executed before the loop begins. If the condition is true, then the code given inside the loop will be executed, otherwise the control will come out of the loop. …