Object.assign() uses

• The Object.assign() method is used to copy the values ​​of all enumerable properties from one or more source objects to a target object. it will return target object
• Object.assign(target, …sources) [target: target object], [souce: source object (multiple)]

Code example:

Properties in an object with the same key will be overwritten by the properties of the source object later

<template>
	<view>
		Object.assign()的基本使用
	</view>
</template>

<script>
	export default {
    
    
		data() {
    
    
			return {
    
    
				obj: {
    
    
					a: 1,
					b: 2,
					c: 3
				},
				obj1: {
    
    
					c: 4,
					d: 5,
				}
			}
		},
		onLoad() {
    
    
			let obj3 = Object.assign({
    
    }, this.obj, this.obj1)
			console.log(obj3) // {a: 1, b: 2, c: 4, d: 5}
		}
	}
</script>

Code example:

If it is a string, it will be automatically converted to an object

<template>
	<view>
		Object.assign()的基本使用
	</view>
</template>

<script>
	export default {
    
    
		data() {
    
    
			return {
    
    
				str : 'edg'
			}
		},
		onLoad() {
    
    
			let obj3 = Object.assign({
    
    },this.str)
			console.log(obj3) // {0: 'e', 1: 'd', 2: 'g'}
		}
	}
</script>