I'm doing a shopping cart, use the checkbox, select the goods, after pressing the button to calculate the selected part of the price, but how to button all have no reaction, think a day, please answer, as if js part take less than the amount of each commodity,

CodePudding user response:

After I useless el expression, in writing, or not,

CodePudding user response:

Define the I first: for (var I=0; . )
Checkbox value is wrong, the op and [I] don't ", ": the if (op [I] checked... )

CodePudding user response:

You look the array output choose

CodePudding user response:

refer to the second floor is not single, don't change name response:

Define the I first: for (var I=0; . )
Checkbox value is wrong, the op and [I] don't ", ": the if (op [I] checked... )

CodePudding user response:

Test is in everyone's eye

CodePudding user response:

refer to the second floor is not single, don't change name response:

Define the I first: for (var I=0; . )
Checkbox value is wrong, the op and [I] don't ", ": the if (op [I] checked... )

thank this did YanCha, because I just found out that actually getElementByName with wrong, should be getElementsByName!

CodePudding user response:

Has been solved! Thank you all! Value function in the wrong