在bootstrap.css.map中，我注意到包含的源
{"version":3,"sources":["bootstrap.css","less/normalize.less","less/print.less","less/glyphicons.less","less/scaffolding.less","less/mixins/vendor-prefixes.less","less/mixins/tab-focus.less","less/mixins/image.less","less/type.less","less/mixins/text-emphasis.less","less/mixins/background-variant.less","less/mixins/text-overflow.less","less/code.less","less/grid.less","less/mixins/grid.less","less/mixins/grid-framework.less","less/tables.less","less/mixins/table-row.less","less/forms.less","less/mixins/forms.less","less/buttons.less","less/mixins/buttons.less","less/mixins/opacity.less","less/component-animations.less","less/dropdowns.less","less/mixins/nav-divider.less","less/mixins/reset-filter.less","less/button-groups.less","less/mixins/border-radius.less","less/input-groups.less","less/navs.less","less/navbar.less","less/mixins/nav-vertical-align.less","less/utilities.less","less/breadcrumbs.less","less/pagination.less","less/mixins/pagination.less","less/pager.less","less/labels.less","less/mixins/labels.less","less/badges.less","less/jumbotron.less","less/thumbnails.less","less/alerts.less","less/mixins/alerts.less","less/progress-bars.less","less/mixins/gradients.less","less/mixins/progress-bar.less","less/media.less","less/list-group.less","less/mixins/list-group.less","less/panels.less","less/mixins/panels.less","less/responsive-embed.less","less/wells.less","less/close.less","less/modals.less","less/tooltip.less","less/popovers.less","less/carousel.less","less/mixins/clearfix.less","less/mixins/center-block.less","less/mixins/hide-text.less","less/responsive-utilities.less","less/mixins/responsive-visibility.less"]
为什么它会引用自己？
答案 0 :(得分：0)
sources引用此源地图作为原始来源的文件。即，这个源地图不会从缩小的css映射回到less，它会从缩小的css映射回到css，大概是在较少的编译之后。
如果您尝试利用浏览器对源映射的支持，这可能很有用，因为浏览器会将css文件显示为原始源，并且正如ericm301所说，它只需要能够处理css来执行此操作，不要少。