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JavaScript DOM Scripting By Example Adding and Removing Names Practice with Function Scope

Posted by Alexandru Pescaru
Alexandru Pescaru
6,410 Points

can anyone help me m'm lost...

what shell i do i don't understand ...

app.js 
const redButton = document.getElementById('redButton');
const blueButton = document.getElementById('blueButton');

redButton.addEventListener('click', (e) => {
  const colorSquare = document.getElementById('colorDiv');
  colorSquare.style.backgroundColor = 'red';
});

blueButton.addEventListener('click', (e) => {
  colorSquare.style.backgroundColor = 'blue';
})
style.css 
div {
  height: 50px;
  float: left;
  padding-top: 40px;
  padding-left: 20px;

}

#colorDiv {
  padding: 0;
  width: 100px;
  height: 100px;
  background-color: gray;
}

button {
  height: 30px;
  border-radius: 10px;
}
#redButton {
  background-color: #ff5959;
  border-color: red;
}

#blueButton {
  background-color: lightblue;
  border-color: #7C9EFC;
}

1 Answer

beverlygrant
.a{fill-rule:evenodd;}techdegree
beverlygrant
Full Stack JavaScript Techdegree Student 5,674 Points

The colorSquare variable you defined is in the redButton onClick listener which is limiting its scope. Define it outside. So, that blueButton onClick listener can access that.