如果我从这里复制代码:https://jsfiddle.net/agt10exp/
它在小提琴上运行良好,但是当我在我的电脑上创建一个新文件并将代码粘贴到其中时,我得到了相同的布局,但是它没有正常运行(添加了{{1} }和<html></html>
我的代码:
(Ps I&#39; Python程序员所以问题可能是我的HTML / Js知识)
<script src....></script>
我看到更多有同样问题的人:
然而,我尝试了解决方案,但我无法弄清楚,我希望有人可以帮助我
答案 0 :(得分:0)
您声明自定义脚本加上添加jquery,但它们必须是分开的:
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
+ note jquery src url
编辑: 这段代码在我的chrome中运行良好
<html>
I am a </span><select name="parent_selection" id="parent_selection">
<option value="">-- Please Select --</option>
<option value="patient">Patient</option>
<option value="doctor">Doctor or physician</option>
<option value="school">School or parent</option>
<option value="worker">Case worker</option>
</select>
<br /><span>and I need information on</span>
<select name="child_selection" id="child_selection" onchange="location = this.options[this.selectedIndex].value;">
</select>
</html>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
var jq81 = jQuery.noConflict();
jq81(document).ready(function($){
//let's create arrays
var patient = [
{display: "My initial visit", value: "patients#visit" },
{display: "My initial evaluation", value: "patients#visit" },
{display: "My appointments", value: "patients#appointments" },
{display: "Your payment policies", value: "patients#policies" }];
var doctor = [
{display: "Our approach", value: "doctors-and-physicians" },
{display: "Our services", value: "services" },
{display: "Referring patients", value: "patients#visit" }];
var school = [
{display: "Our approach", value: "schools-and-parents" },
{display: "My child's initial evaluation", value: "patients#visit" },
{display: "Setting appointments", value: "patients#appointments" },
{display: "Your payment policies", value: "patients#policies" }];
var worker = [
{display: "Our approach", value: "case-workers" },
{display: "Insurance policies", value: "clients#insurance" },
{display: "Your Payment policies", value: "patients#policies" }];
//If parent option is changed
jq81("#parent_selection").change(function() {
var parent = jq81(this).val(); //get option value from parent
switch(parent){ //using switch compare selected option and populate child
case 'patient':
list(patient);
break;
case 'doctor':
list(doctor);
break;
case 'school':
list(school);
break;
case 'worker':
list(worker);
break;
default: //default child option is blank
jq81("#child_selection").html('');
break;
}
});
//function to populate child select box
function list(array_list)
{
jq81("#child_selection").html(""); //reset child options
jq81(array_list).each(function (i) { //populate child options
jq81("#child_selection").append("<option value=\""+array_list[i].value+"\">"+array_list[i].display+"</option>");
});
}
});
</script>