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Apache Ant

[2011-08-24] OSX comes with ant

[2011-08-27] 一份简单的构建文件（build.xml）

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<?xml version="1.0" ?>
<project name="ant-hello-world" default="init" basedir=".">
  <target name="init">
    <echo>Hello World!</echo>
  </target>
<project>

[2011-09-15]合并文件 - Task concat

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<target name="js-concat">
  <concat destfile="${web.dir}/js/script.js" encoding="UTF-8">
    <header trimleading="yes">(function(){ </header>
    <filelist dir="${web.dir}/js"
        files="jquery.js, form.js, animate.js, analytics.js" />
    <footer>})();</footer>
  </concat>
</target>

[2011-09-15]JsLint (Jslint4java)

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<!--JSLint-->
<taskdef name="jslint"
        classname="com.googlecode.jslint4java.ant.JSLintTask"
        classpath="${lib.dir}/jslint4java-2.0.0.jar" />
<target name="js-lint">
  <jslint>
   <formatter type="plain" />
   <fileset dir="${web.dir}/js"
              includes="form.js, animate.js" />
  </jslint>
</target>

[2011-09-16]Compress JS Using Google Compiler Closure

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<!--Compress JS Using Google Compiler Closure-->
<target name="JS-Compress">
  <property name="google.compressor" value="${lib.dir}/compiler.jar" />
  <apply executable="java" dest="${web.dir}/js">
    <fileset dir="${web.dir}/js" includes="think.js" />
    <arg line="-jar" />
    <arg path="${google.compressor}" />
    <arg line="--js" />
    <srcfile />
    <arg line="--js_output_file" />
    <mapper type="glob" from="*.js" to="*-min.js" />
    <targetfile />
   </apply>
</target>

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在Internet Explorer 8中，如果没有打开Developer Toolbar，那么代码中调用console.log将会提示错误。一种避免方法是判断console以及console.log是否存在，若不存在则调用alert方法：

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function trace(s) {
  if (this.console && typeof console.log !== "undefined") {
   console.log(s);
  } else { 
    alert(s);
  }
}

用try..catch简写为：

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function trace(s) {
  try { console.log(s) } catch (e) { alert(s) }
}

参考资料：

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