html5 datalist 选中option选项后的触发事件
这篇文章主要介绍了html5 datalist 选中option选项后的触发事件,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧
使用input + datalist 实现自动补全功能,其中datalist中的内容是根据input输入的内容动态变换的,代码如下
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 | <!DOCTYPE HTML> < html > < body > < script src = "./jquery-1.7.2.min.js" type = "text/javascript" charset = "utf-8" ></ script > < script > function inputSelect(){ var input_select=$("#input").val(); var option_length=$("option").length; var option_id=''; for(var i=0;i< option_length ;i++){ var option_value=$("option").eq(i).attr('data-value'); if(input_select==option_value){ option_id=$("option").eq(i).attr('data-id'); break; } } console.log(input_select,option_length,option_id); }; </script> < input list = "cars" id = "input" ο nchange = "inputSelect()" /> < datalist id = "cars" > < option value = "111" data-value = "111" data-id = "1" > < option value = "122" data-value = "122" data-id = "2" > < option value = "1222" data-value = "1222" data-id = "4" > </ datalist > </ body > </ html > |
html5中datalist, 对选择的option选项获取对应的属性值.
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 | <!DOCTYPE HTML> < html > < body > < script src = "jquery-1.12.4.min.js" type = "text/javascript" charset = "utf-8" ></ script > < script type = "text/javascript" > function inputSelect(){ var input_select = $("#input").val(); var after_value = input_select.split("."); var new_value = after_value[0] + "." + after_value[1] + "." + after_value[2] + ".xxx"; $("#input").val(new_value); var option_length = $("#netsegments").find("option").length; var data_id = ''; var firstIp = 1; var lastIp = 255; for(var i = 0; i < option_length ; i++){ var option_value = $("option").eq(i).attr('data-value'); if(input_select == option_value){ data_id = $("option").eq(i).attr('data-id'); firstIp = $("option").eq(i).attr('firstIp'); lastIp = $("option").eq(i).attr('lastIp'); break; } } console.log("input_select:" + input_select + ",option_length:" + option_length); console.log("data_id:" + data_id + ",firstIp:" + firstIp + ",lastIp:" + lastIp); };</script> < input list = "netsegments" id = "input" onchange = "inputSelect()" placeholder = "xxx.xxx.xxx.xxx" /> < datalist id = "netsegments" > < option label = "10.0.23.xxx" value = "10.0.23.1~62" data-value = "10.0.23.1~62" data-id = "1" firstIp = "1" lastIp = "62" /> < option label = "10.0.23.xxx" value = "10.0.23.64~127" data-value = "10.0.23.64~127" data-id = "2" firstIp = "63" lastIp = "127" /> < option label = "10.0.23.xxx" value = "10.0.23.129~192" data-value = "10.0.23.129~192" data-id = "3" firstIp = "129" lastIp = "192" /> </ datalist > </ body > </ html > |
<!-- 选择option的value, 显示在input里, 然后获取对应的属性data-id, firstIp, lastIp -->
测试结果如下:
当选择第二个选项时候, console打印出结果:
input_select:10.0.23.64~127,option_length:3
data_id:2,firstIp:63,lastIp:127
到此这篇关于html5 datalist 选中option选项后的触发事件的文章就介绍到这了