Introduction to the usage of several event attributes

Execute a section when the mouse pointer moves over the image JavaScript:

<img onmousemove="bigImg(this)" src="smiley.gif" alt="Smiley">

Definition and usage

The onmousemove attribute is triggered when the mouse pointer moves over the element.

Note: The onmousemove attribute does not apply to the following elements: dde6fb694e6711ae5e6f381704c04ae4, 71af07a0e88a1ac1ff73f855702ac153, 0c6dc11e160d3b678d68754cc175188a, 93f0f5c25f18dab9d176bd4f6de5d30e, 100db36a723c770d327fc0aef2ce13b1, d5ba1642137c3f32f4f4493ae923989c, e8e496c15ba93d81f6ea4fe5f55a2244, 0c68fef83818661b6da588c77ca3985e, 3f1c4e4b6b16bbbd69b2ee476dc4f83a, c9ccee2e6ea535a969eb3f532ad9fe89 or b2386ffb911b14667cb8f0f91ea547a7.

Differences between HTML 4.01 and HTML5: None.

Syntax

<element onmousemove="script">

Attribute value Value Description

script The script that runs when onmousemove occurs.

Execute a piece of JavaScript when the text in the d5fd7aea971a85678ba271703566ebfd element is selected:

<input type="text" onselect="showMsg() value="Hello world!">

Definition and usage

onselect attribute is triggered when the text in the element is selected.

onselect attribute can be used within the following elements: 3525558f8f338d4ea90ebf22e5cde2bc, 794332e4da1b97221ff0ba8bc66903c4, 23efcc05e98690ceeb219581933e4231, 84508603c7fd0f176da73ee8fcc6c902.

Differences between HTML 4.01 and HTML5

None.

Syntax

<element onselect="script">

Attribute value Value Description

script The script that runs when onselect occurs.

Example

Execute a piece of JavaScript when the user presses a key:

ae1c216fa2a755912b88ce85bce3a981

Definition and Usage

onkeypress property is triggered when the user presses a key (on the keyboard).

Tip: Event order relative to onkeypress events:

onkeydown onkeypress onkeyup

Notes: In any browser , the onkeypress event will not be triggered by all keys (such as ALT, CTRL, SHIFT, ESC).

Note: The onkeypress attribute is not applicable to the following elements: dde6fb694e6711ae5e6f381704c04ae4, 71af07a0e88a1ac1ff73f855702ac153, 0c6dc11e160d3b678d68754cc175188a, 93f0f5c25f18dab9d176bd4f6de5d30e, 100db36a723c770d327fc0aef2ce13b1, d5ba1642137c3f32f4f4493ae923989c, e8e496c15ba93d81f6ea4fe5f55a2244, 0c68fef83818661b6da588c77ca3985e, 3f1c4e4b6b16bbbd69b2ee476dc4f83a, c9ccee2e6ea535a969eb3f532ad9fe89 or b2386ffb911b14667cb8f0f91ea547a7.

Differences between HTML 4.01 and HTML5

None.

Grammar

<element onkeypress="script">

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