Disallow Use of Alert (no-alert)
禁用 Alert (no-alert)
JavaScript’s alert
, confirm
, and prompt
functions are widely considered to be obtrusive as UI elements and should be replaced by a more appropriate custom UI implementation. Furthermore, alert
is often used while debugging code, which should be removed before deployment to production.
JavaScript 的 alert
、confirm
和 prompt
被广泛认为是突兀的 UI 元素,应该被一个更合适的自定义的 UI 界面代替。此外, alert
经常被用于调试代码,部署到生产环境之前应该删除。
alert("here!");
Rule Details
This rule is aimed at catching debugging code that should be removed and popup UI elements that should be replaced with less obtrusive, custom UIs. As such, it will warn when it encounters alert
, prompt
, and confirm
function calls which are not shadowed.
该规则旨在捕获本应移除的调试代码和应该被替换为不那么突兀的 UI 元素。因此,当遇到 alert
、prompt
和 confirm
时,该规则将发出警告。
Examples of incorrect code for this rule:
错误 代码示例:
/*eslint no-alert: "error"*/
alert("here!");
confirm("Are you sure?");
prompt("What's your name?", "John Doe");
Examples of correct code for this rule:
正确 代码示例:
/*eslint no-alert: "error"*/
customAlert("Something happened!");
customConfirm("Are you sure?");
customPrompt("Who are you?");
function foo() {
var alert = myCustomLib.customAlert;
alert();
}
Related Rules
Version
This rule was introduced in ESLint 0.0.5.
该规则在 ESLint 0.0.5 中被引入。