How I can set the width and height of a JavaScript alert box?
要在JavaScript中设置警报框的宽度和高度,您需要使用自定义警报框。 此警报框的样式为CSS。
使用以下代码(使用JavaScript库jQuery)设置警报框的宽度和高度:
例
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | <!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"> function functionAlert(msg, myYes) { var confirmBox = $("#confirm"); confirmBox.find(".message").text(msg); confirmBox.find(".yes").unbind().click(function() { confirmBox.hide(); }); confirmBox.find(".yes").click(myYes); confirmBox.show(); } <style> #confirm { display: none; background-color: #F3F5F6; color: #000000; border: 1px solid #aaa; position: fixed; width: 300px; height: 100px; left: 50%; margin-left: -100px; padding: 10px 20px 10px; box-sizing: border-box; text-align: center; } #confirm button { background-color: #FFFFFF; display: inline-block; border-radius: 12px; border: 4px solid #aaa; padding: 5px; text-align: center; width: 60px; cursor: pointer; } #confirm .message { text-align: left; } </style> </head> <body> This is a warning message. <button class="yes">OK</button> <input type="button" value="Click Me" onclick="functionAlert();" /> </body> </html> |