How to create a button in DART web application
In this article, I am going to explain how to create a button, and how fire a event on created button.
Creating a button in a DART application
In a DART application you can create your own controls like button and whatever you want. for creating a simple web application using a button is given below
Syntax of creating a button
var varname=new Element.tag("varname"); i.e var button = new Element.tag("button"); |
Example of dart application
#import('dart:html');
void main() {
var button = new Element.tag("button");
button.text = "Click me";
button.on.click.add((event) {
List buttonList = document.queryAll("button");
window.alert("There is ${buttonList.length} button");
});
document.body.nodes.add(button);
}
|
You can simply run that program by manage and launch application in run option.
Output is ,when you run the program:
Output after click the button:
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