It only exist because browsers decided to remove alert/confirm/prompt. Before this it existed in a limbo plagued by so many issues that Chrome even suggested to remove the spec.
None of the issues were fixed. But within a year from Chrome's botched attempt to remove alert it suddenly shipped in all browsers.
It only exist because browsers decided to remove alert/confirm/prompt. Before this it existed in a limbo plagued by so many issues that Chrome even suggested to remove the spec.
None of the issues were fixed. But within a year from Chrome's botched attempt to remove alert it suddenly shipped in all browsers.