{"id":608,"date":"2008-10-21T23:10:42","date_gmt":"2008-10-21T15:10:42","guid":{"rendered":"http:\/\/fdream.net\/blog\/article\/608.aspx"},"modified":"2008-10-21T23:10:56","modified_gmt":"2008-10-21T15:10:56","slug":"Mootools+1.2%e6%95%99%e7%a8%8b(8)%e2%80%94%e2%80%94%e8%be%93%e5%85%a5%e8%bf%87%e6%bb%a4%e7%ac%ac%e4%b8%80%e9%83%a8%e5%88%86%ef%bc%88%e6%95%b0%e5%ad%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fdream.net\/blog\/article\/608","title":{"rendered":"Mootools 1.2\u6559\u7a0b(8)\u2014\u2014\u8f93\u5165\u8fc7\u6ee4\u7b2c\u4e00\u90e8\u5206\uff08\u6570\u5b57\uff09"},"content":{"rendered":"<p>\u539f\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.consideropen.com\/blog\/2008\/08\/30-days-of-mootools-12-tutorials-day-8-input-filtering-part-i-numbers\/\" target=\"_blank\" title=\"30 Days of Mootools 1.2 Tutorials - Day 8 - Input Filtering Part I <\/p>\n<p>(Numbers)&#8221;>30 Days of Mootools 1.2 Tutorials &#8211; Day 8 &#8211; Input Filtering Part I <\/p>\n<p>(Numbers)<\/a><\/p>\n<h2>\u8f93\u5165\u8fc7\u6ee4\u2014\u2014\u7b2c\u4e00\u90e8\u5206\uff08\u6570\u5b57\uff09<\/h2>\n<p>\u8bf7\u5c0a\u91cd\u4e2a\u4eba\u52b3\u52a8\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\uff1ahttp:\/\/fdream.net\uff0c\u8bd1\u8005\uff1aFdream<\/p>\n<p>\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u51c6\u5907\u597d\u5f00\u59cb\u8fd9\u4e00\u8bb2\uff0c\u8bf7\u53c2\u8003\u8fd9\u4e00\u7cfb\u5217\u7684\u6559\u7a0b\uff0c\u8fd9\u91cc\u662f<a href=\"http:\/\/fdream.net\/blog\/article\/605.aspx\" target=\"_blank\" title=\"\u300aMooTools 1.2\u7cfb\u5217\u6559\u7a0b\u76ee\u5f55\u300b\">\u300aMooTools 1.2\u7cfb\u5217\u6559\u7a0b\u76ee\u5f55\u300b<\/a>\u3002<\/p>\n<p>\u4eca\u5929\u6211\u4eec\u6765\u770b\u770bMooTools\u662f\u600e\u6837\u4f7f\u5f97\u8fc7\u6ee4\u7528\u6237\u8f93\u5165\u53d8\u5f97\u975e\u5e38\u8f7b\u677e\u3002\u6211\u4eec\u4eca\u5929\u5c06\u8bb2\u4e00\u4e9b\u57fa\u672c\u7684\u6570\u5b57\u8fc7\u6ee4\uff0c\u660e\u5929\u518d\u66f4\u6df1\u5165\u5730\u8bb2\u8bb2\u5b57\u7b26\u4e32\u8fc7\u6ee4\u3002<\/p>\n<p><b>\u6ce8\u610f<\/b>\uff1aJavaScript\u4e2d\u7684\u8f93\u5165\u8fc7\u6ee4\u53ea\u662f\u4e3a\u4e86\u4fdd\u8bc1\uff08\u5ba2\u6237\u7aef\uff09\u4ee3\u7801\u987a\u5229\u6267\u884c\uff0c\u5e76<b>\u4e0d\u80fd<\/b>\u66ff\u4ee3\u670d\u52a1\u5668\u7aef\u7684\u5b57\u7b26\u4e32\u8fc7\u6ee4\u6765\u4fdd\u62a4\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0d\u88ab\u6ce8\u5165\u653b\u51fb\u3002<\/p>\n<p>\u5728\u7b2c\u56db\u8bb2\u7684\u6700\u540e\u7684\u4e00\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4ece\u6587\u672c\u8f93\u5165\u6846\u83b7\u53d6RGB\u503c\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u4eec\u6765\u6539\u53d8\u9875\u9762\u80cc\u666f\u8272\uff0c\u4eca\u5929\u6211\u4eec\u9996\u5148\u6765\u770b\u770b\u90a3\u4e2a\u4f8b\u5b50\u7684\u90e8\u5206\u4ee3\u7801\uff0c\u5e76\u4ee5\u6b64\u5c55\u5f00\u6211\u4eec\u8fd9\u4e00\u8bb2\u3002<\/p>\n<h3>rgbToHex()<\/h3>\n<p>\u4ece\u6280\u672f\u4e0a\u8bb2\uff0crgbToHex()\u65b9\u6cd5\u5b9e\u9645\u4e0a\u662f\u5c5e\u4e8e<a href=\"http:\/\/mootools.net\/docs\/Native\/Array\" target=\"_blank\" title=\"Array\u96c6\u5408\">Array\u96c6\u5408<\/a>\u7684\u3002\u7531\u4e8e\u5b83\u662f\u4e00\u4e2a\u6765\u5904\u7406\u6570\u5b57\u7684\u6570\u7ec4\u65b9\u6cd5\uff0c\u6211\u4eec\u4eca\u5929\u6765\u5b66\u4e60\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\u3002\u4ece\u529f\u80fd\u4e0a\u6765\u8bb2\uff0crgbToHex()\u4f7f\u7528\u8d77<\/p>\n<p>\u6765\u5f88\u7b80\u5355\uff1a<\/p>\n<p><pre lang=\"javascript\">\nfunction changeColor(red_value, green_value, blue_value){\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction changeColor_1(red_value, green_value, blue_value){\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/script><br \/>\n<input type=\"button\" value=\"changeColor('28', '17', '47')\" onclick=\"changeColor_1('28', '17', '47')\" \/>\n<\/p>\n<p>\u8fd9\u5f88\u6b63\u5e38\u5f88\u5b8c\u7f8e\uff0c\u56e0\u4e3a\u7ea2\u8272\u3001\u7eff\u8272\u548c\u84dd\u8272\u7684\u503c\u90fd\u662f\u6570\u5b57\u3002\u8bd5\u8bd5\uff0c\u5982\u679c\u5f53\u4f60\u4f20\u5165\u4e86\u4e00\u4e9b\u5176\u4ed6\u610f\u5916\u7684\u4e1c\u897f\uff1a<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction changeColor_1(red_value, green_value, blue_value){\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/script><br \/>\n<input type=\"button\" value=\"changeColor('28', '17', 'ops')\" onclick=\"changeColor_1('28', '17', 'ops')\" \/>\n<\/p>\n<p>\u5728\u8fd9\u4e2a\u7ed3\u679c\u7684\u6700\u540e\u4f60\u770b\u5230\u4e86\u4e00\u4e2a\u201cNaN\u201d\uff0cNaN\u4ee3\u8868\u4e0d\u662f\u4e00\u4e2a\u6570\u5b57\uff08<b>N<\/b>ot <b>a<\/b> <b>N<\/b>umber\uff09\u3002\u5982\u679c\u4f60\u628a\u989c\u8272\u7684\u503c\u4f5c\u4e3a\u786c\u7f16\u7801\u5199\u5728\u4ee3\u7801\u91cc\u9762\uff0c\u8fd9\u79cd\u60c5\u51b5\u53ef\u80fd\u4e0d\u4f1a\u51fa\u73b0\u3002\u4f46\u662f\u5982\u679c\u4f60\u662f\u4ece\u4e00\u4e2a\u8f93\u5165\u8868\u5355\u83b7\u5f97\u7684\u8fd9<\/p>\n<p>\u4e2a\u503c\uff0c\u90a3\u4e48\u4f60\u5f88\u53ef\u80fd\u4f1a\u78b0\u5230\u8fd9\u6837\u7684\u60c5\u51b5\uff0c\u4f60\u9700\u8981\u53bb\u5904\u7406\u8fd9\u6837\u4e00\u4e9b\u4e0d\u7b26\u5408\u8981\u6c42\u7684\u8f93\u5165\u503c\u3002<\/p>\n<h3>toInt()<\/h3>\n<p>\u56e0\u6b64\uff0c\u73b0\u5728\u6211\u4eec\u9700\u8981\u4e00\u79cd\u65b9\u5f0f\u786e\u4fdd\u4f20\u7ed9rgbToHex()\u65b9\u6cd5\u7684\u53c2\u6570\u90fd\u662f\u6570\u5b57\u2014\u2014\u8fd9\u91cc\u5c31\u9700\u8981\u4f7f\u7528toInt()\u65b9\u6cd5\u4e86\u3002toInt()\u662f\u53e6\u4e00\u4e2a\u76f8\u5bf9\u7b80\u5355\u7684\u51fd\u6570\u3002\u4f60\u53ef\u4ee5\u5728\u4e00\u4e2a\u53d8\u91cf\u4e0a\u8c03\u7528\u5b83\uff0c\u90a3\u4e48\u5b83\u5c06\u5c3d\u53ef\u80fd\u5730\u5c06\u5b83\u8f6c\u6362\u6210\u4e00\u4e2a\u6574\u6570\u3002<\/p>\n<p><pre lang=\"javascript\">\nvar toIntDemo = function(make_me_a_number){\n    var number = make_me_a_number.toInt();\n    alert ('Best Attempt : ' + number);\n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction toIntDemo_1(make_me_a_number){\n    var number = make_me_a_number.toInt();\n    alert ('Best Attempt : ' + number);\n}\n<\/script><br \/>\n<input type=\"button\" value=\"toIntDemo('613.234')\" onclick=\"toIntDemo_1('613.234')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"toIntDemo('83_hooray!')\" onclick=\"toIntDemo_1('83_hooray!')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"toIntDemo('cant_get_83')\" onclick=\"toIntDemo_1('cant_get_83')\" \/>\n<\/p>\n<p>\u6b63\u5982\u4f60\u8bf4\u770b\u5230\u7684\uff0ctoInt()\u65b9\u6cd5\u5e76\u4e0d\u80fd\u5904\u7406\u6240\u6709\u4f60\u53ef\u4ee5\u60f3\u5230\u7684\u60c5\u51b5\uff0c\u4e0d\u8fc7\u5e78\u4e8f\u6709\u4e86MooTools\u91cc\u9762\u53e6\u5916\u4e00\u4e2a\u5f88\u9177\u7684\u65b9\u6cd5\u53eb\u505a$type()\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5f88\u597d\u5730\u5904\u7406\u90a3\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>$type()<\/h3>\n<p>$type()\u662f\u53e6\u5916\u4e00\u4e2a\u6765\u81eaMooTools\u7684\u4ee4\u4eba\u4e0d\u53ef\u601d\u8bae\u7684\u7b80\u5355\u548c\u6709\u7528\u7684\u4e1c\u897f\u3002\u5b83\u53ef\u4ee5\u68c0\u67e5\u4f60\u4f20\u5165\u7684\u65e0\u8bba\u4ec0\u4e48\u53d8\u91cf\uff0c\u7136\u540e\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u544a\u8bc9\u4f60\u8fd9\u4e2a\u53d8\u91cf\u662f\u4ec0\u4e48\u7c7b\u578b\uff1a<\/p>\n<p><pre lang=\"javascript\">\nvar checkType = function(variable_to_check){\n    var variable_type = $type(variable_to_check);\n    alert(&quot;Variable is a : &quot; + variable_type);\n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction checkType_1(variable_to_check){\n    var variable_type = $type(variable_to_check);\n    alert(\"Variable is a : \" + variable_type);\n}\n<\/script><br \/>\n<input type=\"button\" value=\"checkType(43)\" onclick=\"checkType_1(43)\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"checkType('a string')\" onclick=\"checkType_1('a string')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"checkType(false)\" onclick=\"checkType_1(false)\" \/>\n<\/p>\n<p>\u90a3\u91cc\u8fd8\u6709\u8bb8\u591a$type()\u65b9\u6cd5\u53ef\u4ee5\u68c0\u6d4b\u7684\u7c7b\u578b\u2014\u2014\u4f60\u53ef\u4ee5\u5728\u8fd9\u4e2a<a href=\"http:\/\/mootools.net\/docs\/Core\/Core#type\" target=\"_blank\" title=\"Core.$type()\u6587\u6863\">Core.$type()\u6587\u6863<\/a>\u4e2d\u627e\u5230\u4e00\u4e2a\u5b8c\u6574\u7684\u5217\u8868\u3002\u4e0d\u8fc7\u73b0\u5728\uff0c\u6211\u4eec\u771f\u6b63\u5173\u5fc3\u7684\u662f\u600e\u4e48\u68c0\u6d4b\u6574\u6570\u3002\u5982\u679c\u6211\u4eec\u5728<\/p>\n<p>toIntDemo()\u65b9\u6cd5\u4e2d\u4f7f\u7528$type()\u65b9\u6cd5\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5904\u7406\u90a3\u4e9btoInt()\u4e0d\u80fd\u5904\u7406\u7684\u8f93\u5165\u4e86\uff1a<\/p>\n<p><pre lang=\"javascript\">\nvar toIntDemo = function(make_me_a_number){\n    \/\/Try to make the input number\n    var number = make_me_a_number.toInt();\n \n    \/\/If That didn't work, set number to 0\n    if ($type(number) != 'number'){number = 0;}\n    alert('Best Attempt : ' + number);\n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction toIntDemo_2(make_me_a_number){\n    \/\/Try to make the input number\n    var number = make_me_a_number.toInt();<\/p>\n<p>    \/\/If That didn't work, set number to 0\n    if ($type(number) != 'number'){number = 0;}\n    alert('Best Attempt : ' + number);\n}\n<\/script><br \/>\n<input type=\"button\" value=\"toIntDemo_2('613.234')\" onclick=\"toIntDemo_12('613.234')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"toIntDemo_2('83_hooray!')\" onclick=\"toIntDemo_2('83_hooray!')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"toIntDemo_2('cant_get_83')\" onclick=\"toIntDemo_2('cant_get_83')\" \/>\n<\/p>\n<p>\u5f53\u6211\u4eec\u628a\u5b83\u4eec\u548cchangeColor()\u65b9\u6cd5\u7ec4\u5408\u8d77\u6765\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u51e0\u4e4e\u63a5\u8fd1\u5b8c\u7f8e\u7684\u89e3\u51b3\u65b9\u6848\u4e86\uff1a<\/p>\n<p><pre lang=\"javascript\">\nvar changeColor_2 = function(red_value, green_value, blue_value){\n    \/\/Try to make sure everything is an integer\n    red_value = red_value.toInt();\n    green_value = green_value.toInt();\n    blue_value = blue_value.toInt();\n \n    \/\/Set default values on anything thats Not a Number\n    if ($type(red_value)   != 'number'){red_value = 0;}\n    if ($type(green_value) != 'number'){green_value = 0;}\n    if ($type(blue_value)  != 'number'){blue_value = 0;}\n \n    \/\/Calculate hex value\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction changeColor_2(red_value, green_value, blue_value){\n    \/\/Try to make sure everything is an integer\n    red_value = red_value.toInt();\n    green_value = green_value.toInt();\n    blue_value = blue_value.toInt();<\/p>\n<p>    \/\/Set default values on anything thats Not a Number\n    if ($type(red_value)   != 'number'){red_value = 0;}\n    if ($type(green_value) != 'number'){green_value = 0;}\n    if ($type(blue_value)  != 'number'){blue_value = 0;}<\/p>\n<p>    \/\/Calculate hex value\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/script><br \/>\n<input type=\"button\" value=\"changeColor_2('28', '17', '47')\" onclick=\"changeColor_2('28', '17', '47')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"changeColor_2('28', '17', 'oops')\" onclick=\"changeColor_2('28', '17', 'oops')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"changeColor_2('428\u2032, \u2018317\u2032, \u2018265000\u2032)\" onclick=\"changeColor_2('428\u2032, \u2018317\u2032, \u2018265000\u2032)\" \/>\n<\/p>\n<p>\u6700\u540e\u4e00\u4e2a\u65b9\u6cd5\u4e2d\u4f20\u7ed9rgbToHex()\u65b9\u6cd5\u7684\u6570\u5b57\u8d85\u8fc7\u4e86RGB\u5141\u8bb8\u503c0-255\u7684\u8303\u56f4\uff0c\u8fd9\u4e2a\u503c\u8fd8\u662f\u88ab\u5fe0\u5b9e\u5730\u8f6c\u6362\u6210\u4e86\u5b83\u7684\u5341\u516d\u8fdb\u5236\u503c\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u63a5\u53d7\u4e86\u4e00\u4e2a\u8d85\u8fc7\u90a3\u4e2a\u8303\u56f4\u7684\u6570\u5b57\uff0c\u6211\u4eec\u5c06\u4e0d\u80fd\u5f97\u5230\u4e00\u4e2a\u6709\u6548\u7684\u5341\u516d\u8fdb<\/p>\n<p>\u5236\u989c\u8272\u503c\u3002\u5e78\u8fd0\u7684\u662f\uff0cMooTools\u4e2d\u54ce\u5466\u53e6\u5916\u4e00\u4e2a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u6765\u5904\u7406\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>limit()<\/h3>\n<p>MooTools\u4e2d\u7684<a href=\"http:\/\/mootools.net\/docs\/Native\/Number#Number:limit\" target=\"_blank\" title=\"limit()\">limit()<\/a>\u65b9\u6cd5\u4e5f\u662f\u975e\u5e38\u7b80\u5355\u76f4\u63a5\u7684\u3002\u4f60\u53ef\u4ee5\u5728\u4e00\u4e2a\u6570\u5b57\u4e0a\u9762\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u4f20\u5165\u4e00\u4e2a\u8fd9\u4e2a\u6570\u5b57\u5141\u8bb8\u7684\u6700\u5c0f\u503c\u548c\u4e00\u4e2a\u5141\u8bb8\u7684\u6700\u5927\u503c\u4f5c\u4e3a\u53c2<\/p>\n<p>\u6570\uff0c\u5b83\u4f1a\u81ea\u52a8\u5730\u8fdb\u884c\u820d\u5165\u5904\u7406\u3002\u4f60\u8fd8\u9700\u8981\u7262\u8bb0\u8fd9\u4e00\u70b9\uff1alimit\u65b9\u6cd5\u9700\u8981\u4f20\u5165\u6574\u6570\u53c2\u6570\uff0c\u56e0\u6b64\u4e00\u822c\u5728\u4f7f\u7528limit\u65b9\u6cd5\u4e4b\u524d\u5148\u5bf9\u4f60\u8981\u6307\u5b9a\u4e3a\u6570\u5b57\u7684\u4e1c\u897f\uff08\u6216\u8005\u5176\u4ed6\u5728<a href=\"http:\/\/mootools.net\/docs\/Native\/Number\" target=\"_blank\" title=\"\u6570\u5b57\u96c6\u5408\uff08<\/p>\n<p>Number Collection\uff09&#8221;>\u6570\u5b57\u96c6\u5408\uff08<\/p>\n<p>Number Collection\uff09<\/a>\u91cc\u9762\u7684\u4e1c\u897f\uff09\u4f7f\u7528toInt()\u65b9\u6cd5\u3002<\/p>\n<p><pre lang=\"javascript\">\nvar limitDemo = function(number_to_limit){\n    \/\/Do our best to get an integer\n    number_to_limit = number_to_limit.toInt();\n \n    \/\/Get the limited value\n    var limited_number = number_to_limit.limit(0, 255);\n    alert(&quot;Number Limited To : &quot; + limited_number);\n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction limitDemo_1(number_to_limit){\n    \/\/Do our best to get an integer\n    number_to_limit = number_to_limit.toInt();<\/p>\n<p>    \/\/Get the limited value\n    var limited_number = number_to_limit.limit(0, 255);\n    alert(\"Number Limited To : \" + limited_number);\n}\n<\/script><br \/>\n<input type=\"button\" value=\"limitDemo(6535634)\" onclick=\"limitDemo_1(6535634)\" \/>\n<\/p>\n<h3>\u793a\u4f8b\u4ee3\u7801<\/h3>\n<p>\u628a\u4e0a\u9762\u7684\u65b9\u6cd5\u548c\u6211\u4eec\u521a\u624d\u7684changeColor()\u65b9\u6cd5\u6df7\u5408\u8d77\u6765\u8bd5\u8bd5\uff1a<\/p>\n<p><pre lang=\"javascript\">\nvar changeColor = function(red_value, green_value, blue_value){\n    \/\/Try to make sure everything is an integer\n    red_value   = red_value.toInt();\n    green_value = green_value.toInt();\n    blue_value  = blue_value.toInt();\n \n    \/\/Set default values on anything thats Not a Number\n    if ($type(red_value)   != 'number'){red_value = 0;}\n    if ($type(green_value) != 'number'){green_value = 0;}\n    if ($type(blue_value)  != 'number'){blue_value = 0;}\n \n    \/\/Limit Everything to the RGB Scale (0 - 255)\n    red_value   = red_value.limit(0, 255);\n    green_value = green_value.limit(0, 255);\n    blue_value  = blue_value.limit(0, 255);\n \n    \/\/Calculate hex value\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/pre>\n<\/p>\n<p>\n<script type=\"text\/javascript\">\nfunction changeColor_3(red_value, green_value, blue_value){\n    \/\/Try to make sure everything is an integer\n    red_value   = red_value.toInt();\n    green_value = green_value.toInt();\n    blue_value  = blue_value.toInt();<\/p>\n<p>    \/\/Set default values on anything thats Not a Number\n    if ($type(red_value)   != 'number'){red_value = 0;}\n    if ($type(green_value) != 'number'){green_value = 0;}\n    if ($type(blue_value)  != 'number'){blue_value = 0;}<\/p>\n<p>    \/\/Limit Everything to the RGB Scale (0 - 255)\n    red_value   = red_value.limit(0, 255);\n    green_value = green_value.limit(0, 255);\n    blue_value  = blue_value.limit(0, 255);<\/p>\n<p>    \/\/Calculate hex value\n    var color = [red_value, green_value, blue_value].rgbToHex(); \n    alert('Converts to : ' + color); \n}\n<\/script><br \/>\n<input type=\"button\" value=\"changeColor_3('28', '17', '47')\" onclick=\"changeColor_3('28', '17', '47')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"changeColor_3('28', '17', 'oops')\" onclick=\"changeColor_3('28', '17', 'oops')\" \/>\u00a0<br \/>\n<input type=\"button\" value=\"changeColor_3('428\u2032, '317\u2032, '265000\u2032)\" onclick=\"changeColor_3('428\u2032, '317\u2032, '265000\u2032)\" \/>\n<\/p>\n<h3>\u66f4\u591a\u5b66\u4e60<\/h3>\n<p><b><a href=\"http:\/\/www.consideropen.com\/downloads\/30days_of_moo\/mootorial_day8_filtering_1.zip\" target=\"_blank\" title=\"\u4e0b\u8f7d\u4e00\u4e2a\u5305\u542b\u4f60\u5f00\u59cb\u6240\u9700\u8981\u7684\u5168\u90e8\u4e1c\u897f\u7684zip\u5305\">\u4e0b\u8f7d\u4e00\u4e2a\u5305\u542b\u4f60\u5f00\u59cb\u6240\u9700\u8981\u7684\u5168\u90e8\u4e1c\u897f\u7684zip\u5305<\/a><\/b><\/p>\n<ul style=\"list-style-type:disc\">\n<li><a href=\"http:\/\/www.w3schools.com\/jsref\/jsref_obj_number.asp\" target=\"_blank\" title=\"\u6807\u51c6\u7684\u6570\u5b57\uff08Number\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570\">\u6807\u51c6\u7684\u6570\u5b57\uff08Number\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570<\/a><\/li>\n<li><a href=\"http:\/\/mootools.net\/docs\/Native\/Number\" target=\"_blank\" title=\"Mootools\u7684\u6570\u5b57\uff08Number\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570\">Mootools\u7684\u6570\u5b57\uff08Number\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570<\/a><\/li>\n<li><a href=\"http:\/\/mootools.net\/docs\/Native\/Array\" target=\"_blank\" title=\"Mootools\u7684\u6570\u7ec4\uff08Array\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570\">Mootools\u7684\u6570\u7ec4\uff08Array\uff09\u5904\u7406\u529f\u80fd\u51fd\u6570<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740\uff1a\u6570\u5b57\u96c6\u5408\uff08 Number Collection\uff09\u91cc\u9762\u7684\u4e1c\u897f\uff09\u4f7f\u7528toInt()\u65b9\u6cd5\u3002 var limitDemo = function(number_to_limit){ \/\/Do our best to get an integer number_to_limit = number_to_limit.toInt(); \/\/Get the limited value var limited_number = number_to_limit.limit(0, 255); alert(&quot;Number Limited To : &quot; + limited_number); } \u793a\u4f8b\u4ee3\u7801 \u628a\u4e0a\u9762\u7684\u65b9\u6cd5\u548c\u6211\u4eec\u521a\u624d\u7684changeColor()\u65b9\u6cd5\u6df7\u5408\u8d77\u6765\u8bd5\u8bd5\uff1a var changeColor = function(red_value, green_value, blue_value){ \/\/Try to make sure everything is an integer red_value = red_value.toInt(); green_value = &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[120,104,328,123],"class_list":["post-608","post","type-post","status-publish","format-standard","hentry","category-coding","tag-AJAX","tag-JavaScript","tag-mootools","tag-123"],"views":9199,"_links":{"self":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts\/608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/comments?post=608"}],"version-history":[{"count":0,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/posts\/608\/revisions"}],"wp:attachment":[{"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/media?parent=608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/categories?post=608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fdream.net\/blog\/wp-json\/wp\/v2\/tags?post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}