What is the difference between wx:for and wx:for-item in WeChat mini program?

This time I will bring you the difference between wx:for and wx:for-item in the WeChat mini program. What are the things to note when using wx:for and wx:for-item in the WeChat mini program? There are Which ones, the following are practical cases, let’s take a look.

wx:for="{{list}}" is used to loop the array, and list is the array namewx:for-item=" items" is used to define the variable of each element during a loop. If it is a one-dimensional array

, loop it out as follows:

In the above code, item is the alias of list. If it is a two-dimensional or even

multi-dimensional array

, loop as follows:

is equivalent to Remember: wx:for is a loop array , wx:for-item is to assign an alias to the list

The following are several incorrect uses, please use them with caution:

1. Use wx:for-item directly, so the loop will not come out List

2. Use wx:for-item with caution in sub-loops

Correct usage of wx:for and wx:for-item in WeChat applet

wx :for="{{list}}" is used to loop the array, and list is the array name wx:for-item="items" is used to define the variables of each element during the loop

If it is a one-dimensional array, loop it out as follows:

In the above code, item is the alias of list.

If it is a two-dimensional or even multi-dimensional array, loop as follows:

is equivalent to

Remember: wx:for is a loop array, wx:for-item That is to assign an alias to the list

The following are several incorrect uses, please use them with caution:

1. Use wx:for-item directly, so that the list cannot be looped

2. Use wx:for-item with caution in sub-loops

I believe you have mastered the method after reading the case in this article. Please pay attention for more exciting things. Other related articles on php Chinese website!

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