Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <style> #ex1 { color: red; } </style> </head> <body> <h1>The getPropertyValue() Method</h1> <p>Click the button to return the value of the color property.</p> <button onclick="myFunction()">Try it</button> <div id="ex1">Some text.</div> <script> function myFunction() { var declaration = document.styleSheets[0].cssRules[0].style; var propvalue = declaration.getPropertyValue("color"); alert(propvalue); } </script> </body> </html>