Extgrid add right-click menu _ YUI. Ext

Extgrid add and right-click the menu implementation code. The Code is as follows:

Grid. addListener ('rowcontextmenu ', rightClickFn); // key part of the context menu code
// Create Menu
Var rightClick = new Ext. menu. Menu ({
Id: 'rightclickcont', // The HTML file must contain a rightClickCont DIV element.
Items :[{
Id: 'rmenu1 ',
Handler: rMenu1Fn, // event triggered after clicking
Text: 'right-click menu 1'
},{
Id: 'rmenu2 ',
Handler: rMenu2Fn,
Text: 'right-click menu 2'
}]
});
Function rightClickFn (grid, rowindex, e ){
E. preventDefault ();
RightClick. showAt (e. getXY ());
}
Function rMenu1Fn (){
Ext. MessageBox. alert ('right', 'right-click menu 1 click ');
}
Function rMenu2Fn (){
Ext. MessageBox. alert ('right', 'right-click menu 2 click ');
}