How to display JavaScript objects
Today, I would like to share with you how to display JavaScript object related knowledge points, the content is detailed, the logic is clear, I believe most people still know too much about this knowledge, so share this article for your reference, I hope you can get something after reading this article, let's take a look at it.
Displaying the JavaScript object will output [object Object].
Example
Const person = {
Name: "John"
Age: 30
City: "New York"
}
Document.getElementById ("demo"). InnerHTML = person
Some common solutions for displaying JavaScript objects are:
Display object properties by name
Cycle through object properties
Display objects using Object.values ()
Display objects using JSON.stringify ()
Show object properties
The properties of the object can be displayed as strings
Example
Const person = {
Name: "John"
Age: 30
City: "New York"
}
Document.getElementById ("demo"). InnerHTML =
Person.name + "," + person.age + "," + person.city
Display objects in a loop
You can collect the properties of an object in a loop:
Example
Const person = {
Name: "John"
Age: 30
City: "New York"
}
Let txt = ""
For (let x in person) {
Txt + = person [x] + ""
}
Document.getElementById ("demo"). InnerHTML = txt
You must use person [x] in the loop.
Person.x will not work (because x is a variable).
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