使用的是官网标准版的eclipse3.9 for javaEE未装任何插件,写JS时卡的简直无法忍受,尝试去掉所有的validate,包括菜单和项目属性中的都无作用,后来在项目根目录..project中发现以下红色行居然Validator都还在,把红色对应的配置段全部删去后,问题解决,编辑JS再也不似蜗牛了.

  <buildSpec>

  <buildCommand>

   <name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>

   <triggers>full,incremental,</triggers>

   <arguments>

    <dictionary>

     <key>LaunchConfigHandle</key>

     <value>&lt;project&gt;/.externalToolBuilders/org.eclipse.wst.jsdt.core.javascriptValidator.launch</value>

    </dictionary>

   </arguments>

  </buildCommand>

  <buildCommand>

   <name>org.eclipse.jdt.core.javabuilder</name>

   <arguments>

   </arguments>

  </buildCommand>

  <buildCommand>

   <name>org.eclipse.wst.common.project.facet.core.builder</name>

   <arguments>

   </arguments>

  </buildCommand>

  <buildCommand>

   <name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>

   <triggers>full,incremental,</triggers>

   <arguments>

    <dictionary>

     <key>LaunchConfigHandle</key>

     <value>&lt;project&gt;/.externalToolBuilders/org.eclipse.wst.validation.validationbuilder.launch</value>

    </dictionary>

   </arguments>

  </buildCommand>

 </buildSpec>

 <natures>

  <nature>org.eclipse.jem.workbench.JavaEMFNature</nature>

  <nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>

  <nature>org.eclipse.wst.common.project.facet.core.nature</nature>

  <nature>org.eclipse.jdt.core.javanature</nature>

  <nature>org.eclipse.wst.jsdt.core.jsNature</nature>

 </natures>