Difference between revisions of "DOM Controls that do things"

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Line 26: Line 26:
<pre class=usr>
<pre class=usr>
let i = document.createElement('input');
let i = document.createElement('input');
i.value = 'Say it twice';
i.value = 'New York ';
let b = document.createElement('button');
let b = document.createElement('button');
b.innerText = 'click me';
b.innerText = 'click me';
Line 36: Line 36:
<pre class=ans>
<pre class=ans>
let i = document.createElement('input');
let i = document.createElement('input');
i.value = 'Say it twice';
i.value = 'New York ';
let b = document.createElement('button');
let b = document.createElement('button');
b.innerText = 'click me';
b.innerText = 'click me';

Revision as of 19:41, 4 September 2021


A button

When the user clicks the button the DOM gets changed.

let b = document.createElement('button');
b.innerText = 'click me';
b.onclick = ()=>{
  document.body.append('Hello world');
}
document.body.append(b);
let b = document.createElement('button');
b.innerText = 'click me';
b.onclick = ()=>{
  document.body.append('Hello World!');
}
document.body.append(b);

An input box and a button

The user can change the text that gets echoed.

let i = document.createElement('input');
i.value = 'New York ';
let b = document.createElement('button');
b.innerText = 'click me';
b.onclick = ()=>{
  document.body.append(i.value);
}
document.body.append(i,b);
let i = document.createElement('input');
i.value = 'New York ';
let b = document.createElement('button');
b.innerText = 'click me';
b.onclick = ()=>{
  document.body.append(i.value);
  document.body.append(i.value);
}
document.body.append(i,b);