[英]How to use Ruby code inside js.erb?
I'm able to render partial inside a modal using escape_javascript
in js.erb file code: 我可以在js.erb文件代码中使用escape_javascript
来渲染模态内部的部分内容:
$("body").append("<%= escape_javascript(render partial: 'example_partial') %>");
$('#my_modal').modal('show');
However, I can't seem to get results for: 但是,我似乎无法获得以下结果:
console.log(<%= @error %>)
ERB will output a plain string. ERB将输出一个纯字符串。 JS needs inverted commas around a string for it to be recognized. JS需要在字符串前后加上逗号以使其能够被识别。 You have missed them on your console.log()
statement. 您已经在console.log()
语句中错过了它们。
Change it to: 更改为:
console.log('<%= @error %>');
You may also find the raw
helper useful. 您可能还会发现raw
帮助程序很有用。 This will call .to_s
and .html_safe
on any erb output: 这将在任何erb输出上调用.to_s
和.html_safe
:
console.log('<%= raw @error %>');
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