引用js文件里的值

html:
<script src="../js/test.js" type="text/javascript" charset="utf-8"></script>

<script type="text/javascript">
adaptPageClass = 'content';
$(function() {

        var tt = obj.testApply();
        alert(tt);    //4

</script>
test.js:
var obj = {
name:"gejin",
testApply:function(){
alert('test');
var test = 4;
return test;
}
}

html:
<script src="../js/test.js" type="text/javascript" charset="utf-8"></script>

<script type="text/javascript">
adaptPageClass = 'content';
$(function() {
var get = testApply();
alert(get); //4
</script>
test.js:
function testApply(){
alert('test');
var test = 4;
return test;
}

html:
<script src="../js/test.js" type="text/javascript" charset="utf-8"></script>

<script type="text/javascript">
console.log(testApply("xiao","22")); //22
</script>

js:
function testApply(name,age){
var test = age;
return test;
}