


JavaScript method to determine which radio button is selected when submitting a form_javascript skills
The example in this article describes how JavaScript determines which radio button is selected when a form is submitted. Share it with everyone for your reference. The specific analysis is as follows:
When the form is submitted here, JavaScript is used to determine which radio button is selected
<?php //PHP阳历到农历转换的一个类 class Calendar { #农历每月的天数 var $everyCMonth=array( 0=>array(8,0,0,0,0,0,0,0,0,0,0,0,29,30,7,1), 1=>array(0,29,30,29,29,30,29,30,29,30,30,30,29,0,8,2), 2=>array(0,30,29,30,29,29,30,29,30,29,30,30,30,0,9,3), 3=>array(5,29,30,29,30,29,29,30,29,29,30,30,29,30,10,4), 4=>array(0,30,30,29,30,29,29,30,29,29,30,30,29,0,1,5), 5=>array(0,30,30,29,30,30,29,29,30,29,30,29,30,0,2,6), 6=>array(4,29,30,30,29,30,29,30,29,30,29,30,29,30,3,7), 7=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,4,8), 8=>array(0,30,29,29,30,30,29,30,29,30,30,29,30,0,5,9), 9=>array(2,29,30,29,29,30,29,30,29,30,30,30,29,30,6,10), 10=>array(0,29,30,29,29,30,29,30,29,30,30,30,29,0,7,11), 11=>array(6,30,29,30,29,29,30,29,29,30,30,29,30,30,8,12), 12=>array(0,30,29,30,29,29,30,29,29,30,30,29,30,0,9,1), 13=>array(0,30,30,29,30,29,29,30,29,29,30,29,30,0,10,2), 14=>array(5,30,30,29,30,29,30,29,30,29,30,29,29,30,1,3), 15=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,2,4), 16=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,3,5), 17=>array(2,30,29,29,30,29,30,30,29,30,30,29,30,29,4,6), 18=>array(0,30,29,29,30,29,30,29,30,30,29,30,30,0,5,7), 19=>array(7,29,30,29,29,30,29,29,30,30,29,30,30,30,6,8), 20=>array(0,29,30,29,29,30,29,29,30,30,29,30,30,0,7,9), 21=>array(0,30,29,30,29,29,30,29,29,30,29,30,30,0,8,10), 22=>array(5,30,29,30,30,29,29,30,29,29,30,29,30,30,9,11), 23=>array(0,29,30,30,29,30,29,30,29,29,30,29,30,0,10,12), 24=>array(0,29,30,30,29,30,30,29,30,29,30,29,29,0,1,1), 25=>array(4,30,29,30,29,30,30,29,30,30,29,30,29,30,2,2), 26=>array(0,29,29,30,29,30,29,30,30,29,30,30,29,0,3,3), 27=>array(0,30,29,29,30,29,30,29,30,29,30,30,30,0,4,4), 28=>array(2,29,30,29,29,30,29,29,30,29,30,30,30,30,5,5), 29=>array(0,29,30,29,29,30,29,29,30,29,30,30,30,0,6,6), 30=>array(6,29,30,30,29,29,30,29,29,30,29,30,30,29,7,7), 31=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,8,8), 32=>array(0,30,30,30,29,30,29,30,29,29,30,29,30,0,9,9), 33=>array(5,29,30,30,29,30,30,29,30,29,30,29,29,30,10,10), 34=>array(0,29,30,29,30,30,29,30,29,30,30,29,30,0,1,11), 35=>array(0,29,29,30,29,30,29,30,30,29,30,30,29,0,2,12), 36=>array(3,30,29,29,30,29,29,30,30,29,30,30,30,29,3,1), 37=>array(0,30,29,29,30,29,29,30,29,30,30,30,29,0,4,2), 38=>array(7,30,30,29,29,30,29,29,30,29,30,30,29,30,5,3), 39=>array(0,30,30,29,29,30,29,29,30,29,30,29,30,0,6,4), 40=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,7,5), 41=>array(6,30,30,29,30,30,29,30,29,29,30,29,30,29,8,6), 42=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,9,7), 43=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,10,8), 44=>array(4,30,29,30,29,30,29,30,29,30,30,29,30,30,1,9), 45=>array(0,29,29,30,29,29,30,29,30,30,30,29,30,0,2,10), 46=>array(0,30,29,29,30,29,29,30,29,30,30,29,30,0,3,11), 47=>array(2,30,30,29,29,30,29,29,30,29,30,29,30,30,4,12), 48=>array(0,30,29,30,29,30,29,29,30,29,30,29,30,0,5,1), 49=>array(7,30,29,30,30,29,30,29,29,30,29,30,29,30,6,2), 50=>array(0,29,30,30,29,30,30,29,29,30,29,30,29,0,7,3), 51=>array(0,30,29,30,30,29,30,29,30,29,30,29,30,0,8,4), 52=>array(5,29,30,29,30,29,30,29,30,30,29,30,29,30,9,5), 53=>array(0,29,30,29,29,30,30,29,30,30,29,30,29,0,10,6), 54=>array(0,30,29,30,29,29,30,29,30,30,29,30,30,0,1,7), 55=>array(3,29,30,29,30,29,29,30,29,30,29,30,30,30,2,8), 56=>array(0,29,30,29,30,29,29,30,29,30,29,30,30,0,3,9), 57=>array(8,30,29,30,29,30,29,29,30,29,30,29,30,29,4,10), 58=>array(0,30,30,30,29,30,29,29,30,29,30,29,30,0,5,11), 59=>array(0,29,30,30,29,30,29,30,29,30,29,30,29,0,6,12), 60=>array(6,30,29,30,29,30,30,29,30,29,30,29,30,29,7,1), 61=>array(0,30,29,30,29,30,29,30,30,29,30,29,30,0,8,2), 62=>array(0,29,30,29,29,30,29,30,30,29,30,30,29,0,9,3), 63=>array(4,30,29,30,29,29,30,29,30,29,30,30,30,29,10,4), 64=>array(0,30,29,30,29,29,30,29,30,29,30,30,30,0,1,5), 65=>array(0,29,30,29,30,29,29,30,29,29,30,30,29,0,2,6), 66=>array(3,30,30,30,29,30,29,29,30,29,29,30,30,29,3,7), 67=>array(0,30,30,29,30,30,29,29,30,29,30,29,30,0,4,8), 68=>array(7,29,30,29,30,30,29,30,29,30,29,30,29,30,5,9), 69=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,6,10), 70=>array(0,30,29,29,30,29,30,30,29,30,30,29,30,0,7,11), 71=>array(5,29,30,29,29,30,29,30,29,30,30,30,29,30,8,12), 72=>array(0,29,30,29,29,30,29,30,29,30,30,29,30,0,9,1), 73=>array(0,30,29,30,29,29,30,29,29,30,30,29,30,0,10,2), 74=>array(4,30,30,29,30,29,29,30,29,29,30,30,29,30,1,3), 75=>array(0,30,30,29,30,29,29,30,29,29,30,29,30,0,2,4), 76=>array(8,30,30,29,30,29,30,29,30,29,29,30,29,30,3,5), 77=>array(0,30,29,30,30,29,30,29,30,29,30,29,29,0,4,6), 78=>array(0,30,29,30,30,29,30,30,29,30,29,30,29,0,5,7), 79=>array(6,30,29,29,30,29,30,30,29,30,30,29,30,29,6,8), 80=>array(0,30,29,29,30,29,30,29,30,30,29,30,30,0,7,9), 81=>array(0,29,30,29,29,30,29,29,30,30,29,30,30,0,8,10), 82=>array(4,30,29,30,29,29,30,29,29,30,29,30,30,30,9,11), 83=>array(0,30,29,30,29,29,30,29,29,30,29,30,30,0,10,12), 84=>array(10,30,29,30,30,29,29,30,29,29,30,29,30,30,1,1), 85=>array(0,29,30,30,29,30,29,30,29,29,30,29,30,0,2,2), 86=>array(0,29,30,30,29,30,30,29,30,29,30,29,29,0,3,3), 87=>array(6,30,29,30,29,30,30,29,30,30,29,30,29,29,4,4), 88=>array(0,30,29,30,29,30,29,30,30,29,30,30,29,0,5,5), 89=>array(0,30,29,29,30,29,29,30,30,29,30,30,30,0,6,6), 90=>array(5,29,30,29,29,30,29,29,30,29,30,30,30,30,7,7), 91=>array(0,29,30,29,29,30,29,29,30,29,30,30,30,0,8,8), 92=>array(0,29,30,30,29,29,30,29,29,30,29,30,30,0,9,9), 93=>array(3,29,30,30,29,30,29,30,29,29,30,29,30,29,10,10), 94=>array(0,30,30,30,29,30,29,30,29,29,30,29,30,0,1,11), 95=>array(8,29,30,30,29,30,29,30,30,29,29,30,29,30,2,12), 96=>array(0,29,30,29,30,30,29,30,29,30,30,29,29,0,3,1), 97=>array(0,30,29,30,29,30,29,30,30,29,30,30,29,0,4,2), 98=>array(5,30,29,29,30,29,29,30,30,29,30,30,29,30,5,3), 99=>array(0,30,29,29,30,29,29,30,29,30,30,30,29,0,6,4), 100=>array(0,30,30,29,29,30,29,29,30,29,30,30,29,0,7,5), 101=>array(4,30,30,29,30,29,30,29,29,30,29,30,29,30,8,6), 102=>array(0,30,30,29,30,29,30,29,29,30,29,30,29,0,9,7), 103=>array(0,30,30,29,30,30,29,30,29,29,30,29,30,0,10,8), 104=>array(2,29,30,29,30,30,29,30,29,30,29,30,29,30,1,9), 105=>array(0,29,30,29,30,29,30,30,29,30,29,30,29,0,2,10), 106=>array(7,30,29,30,29,30,29,30,29,30,30,29,30,30,3,11), 107=>array(0,29,29,30,29,29,30,29,30,30,30,29,30,0,4,12), 108=>array(0,30,29,29,30,29,29,30,29,30,30,29,30,0,5,1), 109=>array(5,30,30,29,29,30,29,29,30,29,30,29,30,30,6,2), 110=>array(0,30,29,30,29,30,29,29,30,29,30,29,30,0,7,3), 111=>array(0,30,29,30,30,29,30,29,29,30,29,30,29,0,8,4), 112=>array(4,30,29,30,30,29,30,29,30,29,30,29,30,29,9,5), 113=>array(0,30,29,30,29,30,30,29,30,29,30,29,30,0,10,6), 114=>array(9,29,30,29,30,29,30,29,30,30,29,30,29,30,1,7), 115=>array(0,29,30,29,29,30,29,30,30,30,29,30,29,0,2,8), 116=>array(0,30,29,30,29,29,30,29,30,30,29,30,30,0,3,9), 117=>array(6,29,30,29,30,29,29,30,29,30,29,30,30,30,4,10), 118=>array(0,29,30,29,30,29,29,30,29,30,29,30,30,0,5,11), 119=>array(0,30,29,30,29,30,29,29,30,29,29,30,30,0,6,12), 120=>array(4,29,30,30,30,29,30,29,29,30,29,30,29,30,7,1) ); ############################## #农历天干 var $mten=array("null","甲","乙","丙","丁","戊","己","庚","辛","壬","癸"); #农历地支 var $mtwelve=array("null","子(鼠)","丑(牛)","寅(虎)","卯(兔)","辰(龙)", "巳(蛇)","午(马)","未(羊)","申(猴)","酉(鸡)","戌(狗)","亥(猪)"); #农历月份 var $mmonth=array("闰","正","二","三","四","五","六", "七","八","九","十","十一","十二","月"); var $mday=array("null","初一","初二","初三","初四","初五","初六","初七","初八","初九","初十", "十一","十二","十三","十四","十五","十六","十七","十八","十九","二十", "廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十");#农历日 ############################## #赋给初值 #天干地支 var $ten=0; var $twelve=0; function MyPub($cYear,$cMonth,$cDay) { $total=11;#阳历总天数 至1900年12月21日 $mtotal=0;#阴历总天数 for ($y=1901;$y<$cYear;$y++) { $total+=365; if ($y%4==0) $total ++; } #再加当年的几个月 switch ($cMonth){ case 12: $total+=30; case 11: $total+=31; case 10: $total+=30; case 9: $total+=31; case 8: $total+=31; case 7: $total+=30; case 6: $total+=31; case 5: $total+=30; case 4: $total+=31; case 3: $total+=28; case 2: $total+=31; } #如果当年是闰年还要加一天 if ($cYear%4==0 and $cMonth>2) { $total++; } $total+=$cDay-1; ############################## #用农历的天数累加来判断是否超过阳历的天数 for($j=0;$j<=120;$j++) { $i=1; for($i=1;$i<=13;$i++) { $mtotal+=$this->everyCMonth[$j][$i]; if ($mtotal>=$total) { $flag=1; break; } } if ($flag==1)break; } return array("m"=>$j,"d"=>$i,"t"=>$total,"n"=>$mtotal); } function Cal($Year,$Month,$Day) { $Par=$this->MyPub($Year,$Month,$Day); $md=$this->everyCMonth[$Par["m"]][$Par["d"]]-($Par["n"]-$Par["t"]); $week=($Par["t"]+5)%7; if ($this->everyCMonth[$Par["m"]][0]<>0 and $this->everyCMonth[$Par["m"]][0]<$Par["d"]) { $mm=$Par["d"]-1; }else{ $mm=$Par["d"]; } if ($Par["d"]==$this->everyCMonth[$Par["d"]][0]+1 and $this->everyCMonth[$Par["d"]][0]<>0) { $cMonth=$this->mmonth[0].$this->mmonth[$mm];#闰月 }else{ $cMonth=$this->mmonth[$mm].$this->mmonth[13]; } return array("year"=>$this->mten[$this->everyCMonth[$Par["m"]][14]].$this->mtwelve[$this->everyCMonth[$Par["m"]][15]], "month"=>$cMonth, "day"=>$this->mday[$md], "week"=>$week); } } /////调用 $test=new Calendar; $Year=$test->Cal(2004,2,20); echo $Year["year"]."年".$Year["month"].$Year["day"]."周".$Year["week"]; ?>

The main difference between Python and JavaScript is the type system and application scenarios. 1. Python uses dynamic types, suitable for scientific computing and data analysis. 2. JavaScript adopts weak types and is widely used in front-end and full-stack development. The two have their own advantages in asynchronous programming and performance optimization, and should be decided according to project requirements when choosing.

Whether to choose Python or JavaScript depends on the project type: 1) Choose Python for data science and automation tasks; 2) Choose JavaScript for front-end and full-stack development. Python is favored for its powerful library in data processing and automation, while JavaScript is indispensable for its advantages in web interaction and full-stack development.

Python and JavaScript each have their own advantages, and the choice depends on project needs and personal preferences. 1. Python is easy to learn, with concise syntax, suitable for data science and back-end development, but has a slow execution speed. 2. JavaScript is everywhere in front-end development and has strong asynchronous programming capabilities. Node.js makes it suitable for full-stack development, but the syntax may be complex and error-prone.

JavaScriptisnotbuiltonCorC ;it'saninterpretedlanguagethatrunsonenginesoftenwritteninC .1)JavaScriptwasdesignedasalightweight,interpretedlanguageforwebbrowsers.2)EnginesevolvedfromsimpleinterpreterstoJITcompilers,typicallyinC ,improvingperformance.

JavaScript can be used for front-end and back-end development. The front-end enhances the user experience through DOM operations, and the back-end handles server tasks through Node.js. 1. Front-end example: Change the content of the web page text. 2. Backend example: Create a Node.js server.

Choosing Python or JavaScript should be based on career development, learning curve and ecosystem: 1) Career development: Python is suitable for data science and back-end development, while JavaScript is suitable for front-end and full-stack development. 2) Learning curve: Python syntax is concise and suitable for beginners; JavaScript syntax is flexible. 3) Ecosystem: Python has rich scientific computing libraries, and JavaScript has a powerful front-end framework.

The power of the JavaScript framework lies in simplifying development, improving user experience and application performance. When choosing a framework, consider: 1. Project size and complexity, 2. Team experience, 3. Ecosystem and community support.

Introduction I know you may find it strange, what exactly does JavaScript, C and browser have to do? They seem to be unrelated, but in fact, they play a very important role in modern web development. Today we will discuss the close connection between these three. Through this article, you will learn how JavaScript runs in the browser, the role of C in the browser engine, and how they work together to drive rendering and interaction of web pages. We all know the relationship between JavaScript and browser. JavaScript is the core language of front-end development. It runs directly in the browser, making web pages vivid and interesting. Have you ever wondered why JavaScr


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