require.js

<script src="js/require.js" data-main="js/main"></script>   //data-main ,引入主文件


main.js

require.config({
    paths:{
        jquery:'jquery-1.11.3.min'
    }
});
requirejs(['jquery','validate'],function ($,validate) {
    $('body').css('background-color','red');
console.log(validate.checkLength(1,2))
});

validate.js

define(['jquery'],function ($) {

    return{
        isEmpty:function () {

        },
        checkLength:function (str1,str2) {
            return str1===str2;
        }
    }
});