How to change the style in vue.js

Vue.js method to change the style: first define the ref attribute for the element; then modify the element's style through the js method, the code is ['background-color:#1F2429;width:66px']; finally modify the single You can use the style name directly when creating a style.

The operating environment of this tutorial: windows7 system, vue version 2.9.6. This method is suitable for all brands of computers.

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How to change the style in vue.js:

1. Element definition ref attribute

2. Modify the style of the element through js method. When modifying multiple styles, you can use cssText

function openClose() {
        this.isCollapse = !this.isCollapse
 
        if (this.isCollapse) {
            this.$refs.btnClick.$el.style.cssText =
                'background-color:#1F2429;width:66px';
           
        } else {
            this.$refs.btnClick.$el.style.cssText =
                'background-color:#1F2429;width:140px';
        }
    }

3. When modifying a single style, you can directly use the style name

function openClose() {
        this.isCollapse = !this.isCollapse
 
        if (this.isCollapse) {
            this.$refs.btnClick.$el.style.color = 'red';
           
        } else {
            this.$refs.btnClick.$el.style.color = 'blue';
        }
    }

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