Events & Events Handlers.
are very important in Jscript Programming.
Events are caused by user actions.
For example if user clicks a button, a click event occurs or If mouse pointer
moves over a link
a mouseover event occurs.
e.g.
<form>
<input type=button Onclick=" alert ( ' HI ' ) " >
</form>
| Events | Events Handlers |
| Abort | OnAbort (when user cancels loading of an image) |
| Blur | Onblur (when focus is removed from a form element.) |
| Click | Onclick (when user click in a Clickable field) |
| Change | Onchange (when value of form field is changed by user) |
| Error | OnError (when error occurs during loading of image or document.) |
| Focus | Onfocus (when a field is selected) |
| Load |
OnLoad (when page is loaded) |
| Mouseout | Onmouseout (when user moves the mouse OFF the link or an clickable element.) |
| Mouseover | Onmouseover (when user moves the mouse OVER the link or an clickable element.) |
| Reset | Onreset (when a form is reset) |
| Submit | Onsubmit (when a form is submitted) |
| Load | Onload (when a page is loaded) |
| Unload | Onunload (when a page is closed) |
<a Onmouseover="alert('Hi
Friends')"> Take you Mouse On Me </a>
Take you Mouse On Me
<a Onmouseout="alert('Hi Friends')"> Take
you Mouse On Me </a>
Take you Mouse On Me
<form>
<input type="button" name="Button"
value="Button" Onclick="alert('Thank you')">
</form>
<form>
<input type="text" name="textfield"
value="Click me" Onfocus="alert('Hi Friends')">
</form>
Status bar:
function statbar ( txt )
{
window.status = txt;
}
</head>
<body>
<input type = "button" value="write" onClick="statbar(
' HI ' ) ">
<input type = "button" value="erase" onClick="statbar(
' ' ) ">
</form>