解決Viewport argument value "device-width;" for key "width" notrecognized. Content ignored.問題

在meta中設定viewport，使各裝置可以依照螢幕寬度自動調整
  <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0" /> 

	String formatStr = "%07d";
	String formatAns = String.format(formatStr, 10);
	System.out.println("數字補零:"+formatAns);

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用chrome看會出現 Viewport argument value "device-width;" for key "width" not recognized. Content ignored. 研究了一下，解決辦法很簡單 只要將;(分號)改為,(逗號)即可
  <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0" /> 
chrome就正常不會有error了