Why Does My JavaScript `animate` Function Work in IE but Fail in Chrome?

JavaScript Function 'animate' Fails in Chrome Despite Working in IE

Problem:

An animate function, invoked via an event handler content attribute, fails to execute in Chrome, while it functions normally in Internet Explorer.

Explanation:

In Chrome, the global animate function is shadowed by the recently introduced Element.prototype.animate in Web Animations. This shadowing arises due to the lexical environment scope of event handlers, which prioritizes the scope of the target element over the global scope.

Solution:

To resolve the issue, you can either:

• Rename the animate function: Use a different name, such as animate__, to prevent confusion with the Element.prototype.animate function.

function animate__() {
  var div = document.getElementById('demo');
  div.style.left = "200px";
  div.style.color = "red";
}

• Use the bind() method: Bind the animate function to the global object to ensure that it always executes within the global scope.

document.getElementById('demo').addEventListener('click', function() {
  animate().bind(window);
});

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