How to call js function in html

htmlMethods to call js functions: 1. Call with the control itself; 2. Execute regularly through the time control in javascript; 3. Call through getElementById; 4. Call through document.getElementsByName.

The operating environment of this article: Windows 7 system, html5&&javascript version 1.8.5, DELL G3 computer

There are many ways to call js functions in html:

1. You can use the control itself;

For example, <input type="text" onchange="javascript:guest();">

2. Scheduled execution through the time control in javascript;

3. getElementById actually gets an object (element) in a web page and retrieves it by ID.

<input id="guest" type="text" onchange="javascript:guest();">
document.getElementById("guest")语句到<input>;
document.getElementById("guest").value="dddddd";

Assign "dddddd" to ;

4.document.getElementsByName

document.getElementsByTagName

document.getElementsByTagNameNS

also retrieves elements in web pages, but through different retrieval methods, such as name, TagName, etc.

Recommended learning: "HTML video tutorial" "javascript advanced tutorial"

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