Created
November 21, 2017 15:39
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HTML DOM setAttribute() Method
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| .democlass { | |
| color: red; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Hello World</h1> | |
| <p>Click the button to add a class attribute with the value of "democlass" to the h1 element.</p> | |
| <button onclick="myFunction()">Try it</button> | |
| <script> | |
| function myFunction() { | |
| document.getElementsByTagName("h1")[0].setAttribute("class", "democlass"); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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