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Some friends feel that Vue updates too quickly, causing the knowledge taught in the course to be inconsistent with the current Vue version, thus reporting errors. This article mainly shares with you a summary of the changes in Vue.js2.0, hoping to help everyone.
1. Regarding $index in Vue, getting the index value has been cancelled. It is mostly used for operations on multiple elements, like li in ul. Multiple li's are created through v-for. If for one of them or For some li operations, you need to use the index value. The usage is as follows;
{{ msg }}
- {{todo.text}}
This is a fragment I built myself, focusing on the use of index.
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