Eclipse的JS編輯器響應慢，複製和粘貼時很卡的解決方案

使用的是官網標準版的eclipse3.9 for javaEE未裝任何外掛程式,寫JS時卡的簡直無法忍受,嘗試去掉所有的validate,包括菜單和項目屬性中的都無作用,後來在項目根目錄..project中發現以下紅色行居然Validator都還在,把紅色對應的配置段全部刪去後,問題解決,編輯JS再也不似蝸牛了.   <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>