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This article mainly explains "javascript how to choose the product category and quantity to calculate the price". The explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "javascript how to choose the product category and quantity to calculate the price"!

Function G (objName) {if (document.getElementById) {return eval ('document.getElementById ("' + objName+'"))} else {return eval ('document.all.'+objName)}} defines the function to get the object.

Function ChangePrice (val,Type)

{

Var SubTotal=0

Var WeightValue=0

Var WeightObj = document.getElementsByName ("Weight")

For (var iBoth i2.0 lb: about 16 × 16 (cm) [¥260.00]

4.0lb: about 27 × 27 (cm) [¥650.00]

Quantity purchased:

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