![JS实现的5级联动Select下拉选择框实例【javascript】](https://700zi.400zi.cn/uploadfile/img/14/552/34a974f54614846439d3c09635a2cac6.jpg)
web前端|js教程
JS,5级联动,Select,下拉选择框
web前端-js教程
本文实例讲述了JS实现的5级联动Select下拉选择框。分享给大家供大家参考。具体如下:
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这是一个基于JS的5级联动Select下拉选择框,这里演示的仅是一个示例,没有做汉化,当初从老外网站扒下时花了很多时间,当然我们平时用时候可能不需要这么多级,意在介绍一种编写方法和思路,希望大家喜欢。
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运行效果截图如下:
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在线演示地址如下:
/js//js-select-5-option-codes/
具体代码如下:
一个基于JS的5级联动Select下拉选择框<!-- Beginvar state = new Array(50);var capital = new Array(50);var date = new Array(50);var flower = new Array(50);var bird = new Array(50);state[0] = "Alabama";capital[0] = "Montgomery";date[0] = "December 14, 1819";flower[0] = "Camellia";bird[0] = "Yellowhammer";state[1] = "Alaska";capital[1] = "Juneau";date[1] = "January 3, 1959";flower[1] = "Forget-me-not";bird[1] = "Willow Ptarmigan";state[2] = "Arizona";capital[2] = "Phoenix";date[2] = "February 14, 1912";flower[2] = "Suguaro Cactus Blossom";bird[2] = "Cactus Wren";state[3] = "Arkansas";capital[3] = "Little Rock";date[3] = "June 15, 1836";flower[3] = "Apple Blossom";bird[3] = "Mockingbird";state[4] = "California";capital[4] = "Sacremento";date[4] = "September 9, 1850";flower[4] = "Golden Poppy";bird[4] = "California Valley Quail";state[5] = "Colorado";capital[5] = "Denver";date[5] = "August 1, 1876";flower[5] = "Mountain Columbine";bird[5] = "Lark Bunting";state[6] = "Connecticut";capital[6] = "Hartford";date[6] = "January 9, 1788";flower[6] = "Mountain Laurel";bird[6] = "Robin";state[7] = "Florida";capital[7] = "Tallahassee";date[7] = "March 3, 1845";flower[7] = "Orange Blossom";bird[7] = "Mockingbird";state[8] = "Georgia";capital[8] = "Atlanta";date[8] = "January 2, 1788";flower[8] = "Cherokee Rose";bird[8] = "Brown Thrasher";state[9] = "Hawaii";capital[9] = "Honolulu";date[9] = "August 21, 1959";flower[9] = "Red Hibiscus";bird[9] = "Nene (Hawaiian Goose)";state[10] = "Idaho";capital[10] = "Boise";date[10] = "July 3, 1890";flower[10] = "Syringa";bird[10] = "Mountain Bluebird";state[11] = "Illinois";capital[11] = "Springfield";date[11] = "December 3, 1818";flower[11] = "Violet";bird[11] = "Cardinal";state[12] = "Indiana";capital[12] = "Indianapolis";date[12] = "December 11, 1816";flower[12] = "Peony";bird[12] = "Cardinal";state[13] = "Iowa";capital[13] = "Des Moines";date[13] = "December 28, 1846";flower[13] = "Wild Rose";bird[13] = "Eastern Goldfinch";state[14] = "Kansas";capital[14] = "Topeka";date[14] = "January 29, 1861";flower[14] = "Sunflower";bird[14] = "Western Meadowlark";state[15] = "Kentucky";capital[15] = "Frankfort";date[15] = "June 1, 1792";flower[15] = "Goldenrod";bird[15] = "Cardinal";state[16] = "Louisiana";capital[16] = "Baton Rouge";date[16] = "April 30, 1812";flower[16] = "Magnolia";bird[16] = "Eastern Brown Pelican";state[17] = "Maine";capital[17] = "Augusta";date[17] = "March 15, 1820";flower[17] = "Pine Cone & Tassel";bird[17] = "Chickadee";state[18] = "Tennessee";capital[18] = "Nashville";date[18] = "June 1, 1796";flower[18] = "Iris";bird[18] = "Mockingbird";state[19] = "Maryland";capital[19] = "Annapolis";date[19] = "April 28, 1788";flower[19] = "Black-eyed Susan";bird[19] = "Baltimore Oriole";state[20] = "Delaware";capital[20] = "Dover";date[20] = "December 7, 1787";flower[20] = "Peach Blossom";bird[20] = "Blue Hen Chicken";state[21] = "Massachusetts";capital[21] = "Boston";date[21] = "February 6, 1788";flower[21] = "Mayflower";bird[21] = "Chickadee";state[22] = "Rhode Island";capital[22] = "Providence";date[22] = "May 29, 1790";flower[22] = "Violet";bird[22] = "Rhode Island Red";state[23] = "Minnesota";capital[23] = "St. Paul";date[23] = "May 11, 1858";flower[23] = "Lady-slipper";bird[23] = "Loon";state[24] = "Mississippi";capital[24] = "Jackson";date[24] = "December 10, 1817";flower[24] = "Magnolia";bird[24] = "Mockingbird";state[25] = "Missouri";capital[25] = "Jefferson City";date[25] = "August 10, 1821";flower[25] = "Hawthorn";bird[25] = "Bluebird";state[26] = "Michigan";capital[26] = "Lansing";date[26] = "January 26, 1837";flower[26] = "Apple Blossom";bird[26] = "Robin";state[27] = "Montana";capital[27] = "Helena";date[27] = "November 8, 1889";flower[27] = "Bitterroot";bird[27] = "Western Meadowlark";state[28] = "Nebraska";capital[28] = "Lincoln";date[28] = "March 1, 1867";flower[28] = "Goldenrod";bird[28] = "Western Meadowlark";state[29] = "Nevada";capital[29] = "Carson City";date[29] = "October 31, 1864";flower[29] = "Sagebrush";bird[29] = "Mountain Bluebird";state[30] = "New Hampshire";capital[30] = "Concord";date[30] = "June 21, 1788";flower[30] = "Purple Lilac";bird[30] = "Purple Finch";state[31] = "Vermont";capital[31] = "Montpelier";date[31] = "March 4, 1791";flower[31] = "Red Clover";bird[31] = "Hermit Thrush";state[32] = "New Jersey";capital[32] = "Trenton";date[32] = "December 18, 1787";flower[32] = "Violet";bird[32] = "Eastern Goldfinch";state[33] = "New Mexico";capital[33] = "Santa Fe";date[33] = "January 6, 1912";flower[33] = "Yucca";bird[33] = "Road Runner";state[34] = "New York";capital[34] = "Albany";date[34] = "July 26, 1788";flower[34] = "Rose";bird[34] = "Bluebird";state[35] = "North Carolina";capital[35] = "Raleigh";date[35] = "November 21, 1789";flower[35] = "Flowering Dogwood";bird[35] = "Cardinal";state[36] = "Wyoming";capital[36] = "Cheyenne";date[36] = "July 10, 1890";flower[36] = "Indian Paintbrush";bird[36] = "Meadowlark";state[37] = "North Dakota";capital[37] = "Bismarck";date[37] = "November 2, 1889";flower[37] = "Prairie Rose";bird[37] = "Meadowlark";state[38] = "Ohio";capital[38] = "Columbus";date[38] = "March 1, 1803";flower[38] = "Scarlet Carnation";bird[38] = "Cardinal";state[39] = "Oklahoma";capital[39] = "Oklahoma City";date[39] = "November 16, 1907";flower[39] = "Mistletoe";bird[39] = "Scissor-tailed Flycatcher";state[40] = "Oregon";capital[40] = "Salem";date[40] = "February 14, 1859";flower[40] = "Oregon Grape";bird[40] = "Western Meadowlark"state[41] = "Pennsylvania";capital[41] = "Harrisburg";date[41] = "December 12, 1787";flower[41] = "Mountain Laurel";bird[41] = "Ruffed Grouse";state[42] = "South Carolina";capital[42] = "Columbia";date[42] = "May 23, 1788";flower[42] = "Yellow Jessamine";bird[42] = "Carolina Wren";state[43] = "South Dakota";capital[43] = "Pierre";date[43] = "November 2, 1889";flower[43] = "Pasqueflower";bird[43] = "Ring-necked Pheasant";state[44] = "Texas";capital[44] = "Austin";date[44] = "December 29, 1845";flower[44] = "Bluebonnet";bird[44] = "Mockingbird";state[45] = "Utah";capital[45] = "Salt Lake City";date[45] = "January 4, 1896";flower[45] = "Sego Lily";bird[45] = "Sea Gull";state[46] = "Virginia";capital[46] = "Richmond";date[46] = "June 26, 1788";flower[46] = "Dogwood";bird[46] = "Cardinal";state[47] = "Washington";capital[47] = "Olympia";date[47] = "November 11, 1889";flower[47] = "Coast Rhododendron";bird[47] = "Willow Goldfinch";state[48] = "West Virginia";capital[48] = "Charleston";date[48] = "June 20, 1863";flower[48] = "Rhododendron";bird[48] = "Cardinal";state[49] = "Wisconsin";capital[49] = "Madison";date[49] = "May 29, 1848";flower[49] = "Wood Violet";bird[49] = "Robin";function showInfo() {var page = document.triviaform;var choice = page.statesList;for (var i = 0; i