background
UK[ˈbækgraʊnd] US[ˈbækˌɡraʊnd]
n. (painting, etc.) background; background color; background information; soundtrack
Plural: backgrounds
position
## English[pəˈzɪʃn] US[pəˈzɪʃən] n. Position, direction; status, position; attitude; State vt. Place; put... in the appropriate position; position...; station the army Third person singular: positions Plural: positions Present participle: positioning Past tense: positioned Past participle: positionedjavascript backgroundPosition attribute syntax
Function:Set the position of the background image.
Syntax:Object.style.backgroundPosition=position
Parameters:x% y%, the first value is the horizontal position , the second value is the vertical position. The upper left corner is 0% 0%. The lower right corner is 100% 100%. If you specify only one value, the other value will be 50%. Pixel unit controls are also available.