fill() is a predefined function in JavaScript, which is used to fill all elements of an array with a static value.
fill()是JavaScript中的预定义函数，用于用静态值填充数组的所有元素。
Example:
例：
<html>
<head>
<title>JavaScipt Example</title>
</head>
<body>
<script>
//array
var cities = ["New Delhi", "Mumbai", "Chennai", "Banglore"];
//printing the values
document.write("The cities are: " + cities);
document.write("<br>");
//filling all elements with a defualt city "Pune"
cities.fill("Pune");
//printing the values
document.write("The cities are: " + cities);
document.write("<br>");
</script>
</body>
</html>
Output
输出量
The cities are: New Delhi,Mumbai,Chennai,Banglore
The cities are: Pune,Pune,Pune,Pune
翻译自: https://www.includehelp.com/code-snippets/fill-function-with-example-in-javascript.aspx
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