javascript add attribute
var element = document.getElementById('btnBuild');
element.setAttribute("disabled", "disabled");javascript add attribute
var element = document.getElementById('btnBuild');
element.setAttribute("disabled", "disabled");javascript update attribute
var element = document.getElementById("elemId");
element.setAttribute("attributeName", "value");how to add property to object in javascript
var data = {
'PropertyA': 1,
'PropertyB': 2,
'PropertyC': 3
};
data["PropertyD"] = 4;
// dialog box with 4 in it
alert(data.PropertyD);
alert(data["PropertyD"]);put new attribute on html tag using javascript
// Here's what you do for the style attribute
span.setAttribute("style", "width:110%;float:center;left-margin:-10px;top-margin:-10;");Add New Properties to a JavaScript Object
var myDog = {
"name": "Happy Coder",
"legs": 4,
"tails": 1,
"friends": ["freeCodeCamp Campers"]
};
myDog.bark = "woof";
// or
myDog["bark"] = "woof";Copyright © 2021 Codeinu
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