这JS文件里写的是什么？
JS文件里写的如下（就跟CSS似的）：
form :
{
title: 'Form Properties',
menu: 'Form Properties',
action: 'Action',
method: 'Method',
encoding: 'Encoding',
target: 'Target',
targetNotSet: '<not set>',
targetNew: 'New Window (_blank)',
targetTop: 'Topmost Window (_top)',
targetSelf: 'Same Window (_self)',
targetParent: 'Parent Window (_parent)'
},
table :
{
toolbar: 'Table',
title: 'Table Properties',
menu: 'Table Properties',
deleteTable: 'Delete Table',
rows: 'Rows',
columns: 'Columns',
border: 'Border size',
align: 'Alignment',
alignNotSet: '<Not set>',
alignLeft: 'Left',
alignCenter: 'Centre',
alignRight: 'Right',
width: 'Width',
widthPx: 'pixels',
widthPc: 'percent',
height: 'Height',
cellSpace: 'Cell spacing',
cellPad: 'Cell padding',
caption: 'Caption',
summary: 'Summary',
headers: 'Headers',
headersNone: 'None',
headersColumn: 'First column',
headersRow: 'First Row',
headersBoth: 'Both',
invalidRows: 'Number of rows must be a number greater than 0.',
invalidCols: 'Number of columns must be a number greater than 0.',
invalidBorder: 'Border size must be a number.',
invalidWidth: 'Table width must be a number.',
invalidHeight: 'Table height must be a number.',
invalidCellSpacing: 'Cell spacing must be a number.',
invalidCellPadding: 'Cell padding must be a number.',

cell :
{
menu: 'Cell',
insertBefore: 'Insert Cell Before',
insertAfter: 'Insert Cell After',
deleteCell: 'Delete Cells',
merge: 'Merge Cells',
mergeRight: 'Merge Right',
mergeDown: 'Merge Down',
splitHorizontal: 'Split Cell Horizontally',
splitVertical: 'Split Cell Vertically',
title: 'Cell Properties',
cellType: 'Cell Type',
rowSpan: 'Rows Span',
colSpan: 'Columns Span',
wordWrap: 'Word Wrap',
hAlign: 'Horizontal Alignment',
vAlign: 'Vertical Alignment',
alignTop: 'Top',
alignMiddle: 'Middle',
alignBottom: 'Bottom',
alignBaseline: 'Baseline',
bgColor: 'Background Color',
borderColor: 'Border Color',
data: 'Data',
header: 'Header',
yes: 'Yes',
no: 'No',
invalidWidth: 'Cell width must be a number.',
invalidHeight: 'Cell height must be a number.',
invalidRowSpan: 'Rows span must be a whole number.',
invalidColSpan: 'Columns span must be a whole number.'
},

row :
{
menu: 'Row',
insertBefore: 'Insert Row Before',
insertAfter: 'Insert Row After',
deleteRow: 'Delete Rows'
},

column :
{
menu: 'Column',
insertBefore: 'Insert Column Before',
insertAfter: 'Insert Column After',
deleteColumn: 'Delete Columns'
}
},
textfield :
{
title: 'Text Field Properties',
name: 'Name',
value: 'Value',
charWidth: 'Character Width',
maxChars: 'Maximum Characters',
type: 'Type',
typeText: 'Text',
typePass: 'Password'
},

如上所写的在JS文件里，可是不知道这都是些啥，为什么这样些，有什么用，不过我试了一下，好像对前台页面的一些设计和影响。请大家指导，谢谢！

[解决办法]
这种格式叫JSON，你可以去搜索下，映射到后台就是实体类
现在很多js框架都这样设计，用来描述一个对象的属性和方法