backbone.js - Handlebars 模板 - if 语句中的 "tilde"

Question

我们有这样的声明:

{{~#if someCondition ~}} 
<div class="whyweneedtildehere"></div> 
{{~/if~}}

简单 if有什么区别声明和 if Handlebars 模板中带有“~”的语句？

Answer 1

它被称为波浪号，可能会帮助您进一步搜索它。
Handlebars 文档 answers your question in detail .

Template whitespace may be omitted from either side of any mustachestatement by adding a ~ character by the braces. When applied allwhitespace on that side will be removed up to the first handlebarsexpression or non-whitespace character on that side.