Insert a script
How to insert scripts into HTML documents.
Use the <noscript> tag
How to deal with do not support scripting or scripting is disabled browser.
HTML <script> tag
<Script> element can contain script statements, but also point to an external script file through the src attribute.
The following script will output to the browser "Hello World!":
HTML <noscript> tag
<Noscript> tag to provide alternate content when a script can not be used, for example, when the browser disables scripts, or browser does not support client script.
All elements can be found in the body element <noscript> element can contain ordinary HTML page.
Only when the browser does not support scripting or scripting is disabled, appears <noscript> element content:
HTML script tag
|<script>||It defines a client-side script|
|<noscript>||Defined browser does not support script output text|