Rails 5 应用程序不会从 assets/javascripts 文件夹加载 JS [英] Rails 5 app won't load JS from assets/javascripts folder
问题描述
据我所知,如果 /= require_tree
存在于 application.js 文件中,则会加载 assets/javascripts 文件夹中的任何 js 文件.但是,我无法让我的 JS 代码工作.我已经把它放在 assets/javascripts/locations.js
中,但它不起作用.另一方面,当我将它放在 application.html.erb
文件中的 script
标记中时,它运行得很好.任何想法我可能会错过什么?运行 Rails 5.2.JS代码如下.
As I understand it any js file in the assets/javascripts folder is loaded if /= require_tree
is present in the application.js file. I can't get my JS code to work, however. I have put it in assets/javascripts/locations.js
and it doesn't work. When I put it in a script
tag in my application.html.erb
file it worked perfectly on the other hand. Any ideas what I could be missing? Running Rails 5.2. The JS code is below.
locations.js
locations.js
var locations = ["coordinatesStore"]
.map(id => document.getElementById(id));
Array.prototype.forEach.call(
document.querySelectorAll('.add-button'),
(button, i) => {
button.addEventListener('click', () => getLocation(i));
}
);
function getLocation(i) {
var location = locations[i];
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(({ coords: { latitude, longitude }}) => {
location.value = latitude + ", " + longitude;
});
} else {
location.value = "Geolocation is not supported by this browser.";
}
}
我的 application.html.erb 中有这个标签
I have this tag in my application.html.erb
<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
推荐答案
在哪里<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
在您的 application.html.erb 中?
Where is
<%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
in your application.html.erb ?
尝试将它放在 body 标签的末尾,至少在 <%= yield %>
Try putting it at the end of your body tag, at least after the <%= yield %>
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