JS/Jquery实现select选中option触发事件
作者:互联网
js
<select id="pid" onchange="gradeChange()"> <option value="a">选项一</option> <option value="b">选项二</option> </select>
function gradeChange() { var myselect = document.getElementById("pid"); var index=myselect.selectedIndex; // selectedIndex代表的是你所选中项的index var value = myselect.options[index].value; console.log(value); }
jquery
<select id="select" > <option value="op1">option1</option> <option value="op2">option2</option> <option value="op3">option3</option> <option value="op4">option4</option> </select>
$('#select').change(function() { //一: console.log($(this).val()); //二: var options=$("#select option:selected"); console.log(options.val()); })
标签:Jquery,index,console,option,JS,myselect,var,select,log 来源: https://www.cnblogs.com/suitongyu/p/12066134.html