What is alert() in javascript

alert() introduction: The

alert() method is used to display an alert box with a specified message and a Confirm button.

Syntax format:

alert(message)

Note: All major browsers support the alert() method.

(Video tutorial recommendation: js video tutorial)

Example:

Display a warning box

<script>
function myFunction(){
    alert("你好，我是一个警告框！");
}
</script>

The running results are shown in the figure below:

Recommended tutorial: js introductory tutorial

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