What does src mean in html

src in html is an attribute in HTML, used to specify the resource location of the element. It is mainly used to specify the addresses of images and external script files, as well as specify the content file address of iframe. It can quickly introduce external resources into HTML files, thereby more conveniently realizing the functions of web pages. When using the src attribute, you need to pay attention to the validity of the resource, that is, make sure the resource is available, otherwise it will affect the normal display of the web page.

The operating environment of this tutorial: windows10 system, html5.0 version, DELL G3 computer.

src (source) is an attribute in HTML used to specify the resource location of an element. It is mainly used to specify the addresses of images and external script files, as well as specify the content file address of iframe.

Specific usage of src attribute

(1) img tag: The src attribute is used to specify the address of the image, such as:

<imgsrc="http://www.example.com/images/example.jpg"alt="example"/>

(2) script tag: the src attribute is used to specify the address of the external script file, such as:

<scriptsrc="http://www.example.com/js/example.js"></script>

(3) iframe tag: the src attribute is used to specify the address of the content file , such as:

<iframesrc="http://www.example.com/iframe.html"></iframe>

The role of the src attribute

The role of the src attribute is to quickly introduce external resources into the HTML file, making it more convenient to implement Web page functionality. When using the src attribute, you need to pay attention to the validity of the resource, that is, make sure the resource is available, otherwise it will affect the normal display of the web page.

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