Detailed explanation of the steps for vue1 and vue2 to obtain dom elements

This time I will bring you a detailed explanation of the steps for vue1 and vue2 to obtain dom elements. What are the precautions for vue1 and vue2 to obtain dom elements. The following is a practical case, let's take a look.

vue1.*In version

Add el='dom' to the tag, and then add this.$els.dom in the code In this way, you get the page element

For example:

Hello

Make your good color appear in red: this.$els.my-box.style.color = 'red'

##vue2.*version

For example:

Hello

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