associative-array

关联数组 Map和Array的组合可保持键的顺序。 用法 var AssociativeArray = require ( 'associative-array' ) ; var arr = new AssociativeArray ( ) ; arr . push ( 'key' , { value : 'value' } ) ; arr . push ( 'key2' , { value : 'value2' } ) ; arr . push ( 'key3' , { value : 'value3' } ) ; arr . has ( 'key' ) ; //true arr . has ( 'beans' ) ; //false arr . length ; //3 arr . push ( 'key3' , { value : 'value3 again' } ) ; arr .