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Input Color defaultValue 属性
tryjsref_color_defaultvalue
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<!DOCTYPE html> <html> <body> A color picker: <input type="color" id="myColor" value="#ff0080"> <p>Click the "Try it" button to display the default value of the color picker.</p> <button onclick="myFunction()">Try it</button> <p><b>Note:</b> type="color" is not supported in Internet Explorer 11 and earlier versions or Safari 9.1 and earlier versions.</p> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myColor").defaultValue; document.getElementById("demo").innerHTML = x; } </script> </body> </html>