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As with CSS, JavaScript can be placed inside HTML elements, within an HTML file, or in a separate file.<\/p>\nAs with CSS, JavaScript can be placed inside HTML elements, within an HTML file, or in a separate file.<\/p>\n
<\/p>\n
The JavaScript code to respond to an event is written inside the HTMl element.<\/p>\n
This is only suitable for very simple scripts.<\/p>\n
\r\n<button onclick="alert('You clicked me!')">Click Me<\/button>\r\n<\/pre>\nInternal JavaScript Code<\/h1>\n
All JavaScript functions are written in a <script> block, often placed inside the <head> block for maintainability. A script block can contain multiple functions.<\/p>\n
Events then call these functions.<\/p>\n
Note: Program\/Text editors will use syntax highlighting for HTML, leaving the <script> blocks unformatted – and harder to debug.<\/p>\n
<script>\r\n function showCopyright() { \r\n alert("This page is copyright A Person 2021"); \r\n }\r\n<script><\/pre>\n<button onclick="showCopyright()">Copyright<\/button><\/pre>\nExternal JavaScript File<\/h1>\n
If you will use the same scripts across several pages, then save them in a separate file – myscripts.js<\/strong><\/p>\nAdd a link to the file in the <head> of the HTML:<\/p>\n
\r\nfunction showCopyright() { \r\n alert("This page is copyright A Person 2021"); \r\n}<\/pre>\n<script src="myscripts.js"><\/script><\/pre>\n<button onclick="showCopyright()">Copyright<\/button><\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
As with CSS, JavaScript can be placed inside HTML elements, within an HTML file, or in a separate file. Inline JavaScript The JavaScript code to respond to an event is written inside the HTMl element. This is only suitable for very simple scripts. <button onclick="alert(‘You clicked me!’)">Click Me<\/button> Internal JavaScript Code All JavaScript functions are written in a <script> block, often placed inside the <head> block for maintainability. A<\/p>\n