1. A method for presenting a candidate to be linked with a component when the component is to be linked to another component in a web application, the method comprising the steps of: displaying in a display device of a computer system, at least two components each usable in a web application, the components each having a property assigned with a tag; allowing a user through the computer system to select at least one tag from amongst first tags of properties of a first component of the at least two components; identifying a second component of the at least two components having a same tag as the selected tag; and presenting the identified second component in the display device as a suggestion for linking the second component to the first component.
1. A method for presenting a candidate to be linked with a component when the component is to be linked to another component in a web application, the method comprising the steps of: displaying in a display device of a computer system, at least two components each usable in a web application, the components each having a property assigned with a tag; allowing a user through the computer system to select at least one tag from amongst first tags of properties of a first component of the at least two components; identifying a second component of the at least two components having a same tag as the selected tag; and presenting the identified second component in the display device as a suggestion for linking the second component to the first component. 17. The method according to claim 1 , further comprising a step of changing output information of the first component linked to an input of the second component, in accordance with an operation made on the second component.