How to use item method in javascript

How to use the item method in JavaScript: First create an html file named item; then add a button button, and add the custom function myitem to the click event; finally use the item method to obtain the corresponding node object and node name.

The operating environment of this article: windows7 system, javascript version 1.8.5, Dell G3 computer.

Create an html file named item

Add a button button and add a custom function to the click event myitem

Add a p tag and set the id to showitem

Create a custom function myitem

Get the p element object in the custom function, and use the item method to get the node object and node name whose index is 1 in the body's own point.

In the browser Open the file and click the button to see the effect

[Recommended learning: javascript advanced tutorial]

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