Object.entries - garevna/js-course GitHub Wiki
• Object.assign()
• Object.create()
• Object.defineProperty()
• Object.defineProperties()
Возвращает массив собственных перечислимых свойств экземпляра
в виде массива из двух элементов: имени свойства и его значения
var obj = {
name: "first",
type: "circle",
color: "red",
radius: 100,
center: [ 120, 120 ]
}
console.log ( Object.entries( obj ) )▼ (5) [Array(2), Array(2), Array(2), Array(2), Array(2)]
► 0: (2) ["name", "first"]
► 1: (2) ["type", "circle"]
► 2: (2) ["color", "red"]
► 3: (2) ["radius", 100]
► 4: (2) ["center", Array(2)]
length: 5
► __proto__: Array(0)var obj = {
width: "30%",
height: "30%",
border: "solid 1px red",
borderRadius: "50%",
position: "fixed",
top: "10%",
left: "10%"
}
var elem = document.body.appendChild (
document.createElement ( "div" )
)
Object.entries( obj )
.forEach ( prop => elem.style [ prop [0] ] = prop [1] )console.info ( 'obj = {\n' )
for ( var x of Object.entries( obj ) ) {
console.info ( ` ${x[0]}:${x[1]}\n` )
}
console.info ( '}' )obj = {
width:30%
height:30%
border:solid 1px red
borderRadius:50%
position:fixed
top:10%
left:10%
}• Object.freeze()
• Object.getOwnPropertyDescriptor()
• Object.getOwnPropertyDescriptors()
• Object.getOwnPropertyNames()
• Object.getOwnPropertySymbols()
• Object.getPrototypeOf()
• Object.is()
• Object.isExtensible()
• Object.isFrozen()
• Object.isSealed()
• Object.keys()
• Object.preventExtensions()
• Object.seal()
• Object.setPrototypeOf()
• Object.values()
