Javascript event bubble instance analysis

Source: Internet
Author: User

Javascript event bubble instance analysis

This example describes the javascript event bubbling. Share it with you for your reference. The specific analysis is as follows:

Event bubbling:

If element A is nested in element B, The onclick event of A is triggered, and The onclick event of B is also triggered,

The trigger sequence is "from the inside out". Verification: Add a table on the page, with tr in the table, td in tr, and p in td,

Add Event Response in p, td, tr, table

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<Html xmlns = "http://www.w3.org/1999/xhtml">

<Head>

<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>

<Title> event bubbling </title>

</Head>

<Body onclick = "alert ('body click');">

<Table onclick = "alert ('table click');">

<Tr onclick = "alert ('tr click');">

<Td onclick = "alert ('td click');">

<Input type = "button" value = "Click me"

Onclick = "alert ('button click');"/>

</Td>

</Tr>

</Table>

</Body>

</Html>

I hope this article will help you design javascript programs.

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