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JavaScript toLocaleString() function
The toLocaleString() method of JavaScript is used to convert a Date object to a string using locale settings.
The syntax is as follows −
Date.toLocaleString(locales, options)
Above, the locales parameter is the language specific format to be used −
ar-SA Arabic (Saudi Arabia) bn-BD Bangla (Bangladesh) bn-IN Bangla (India) cs-CZ Czech (Czech Republic) da-DK Danish (Denmark) de-AT Austrian German de-CH "Swiss" German de-DE Standard German (as spoken in Germany) el-GR Modern Greek en-AU Australian English en-CA Canadian English en-GB British English en-IE Irish English en-IN Indian English en-NZ New Zealand English en-US US English en-ZA English (South Africa) es-AR Argentine Spanish es-CL Chilean Spanish es-CO Colombian Spanish es-ES Castilian Spanish (as spoken in Central-Northern Spain) es-MX Mexican Spanish es-US American Spanish fi-FI Finnish (Finland) fr-BE Belgian French
Let us now implement the array. toLocaleString() method in JavaScript −
Example
<!DOCTYPE html>
<html>
<body>
<h2>Products</h2>
<p>Click to display the updated product list...</p>
<button onclick="display()">Result</button>
<p id="test"></p>
<script>
var products = ["Electronics", "Books", "Accessories"];
document.getElementById("test").innerHTML = products;
function display() {
var d = new Date();
products.splice(3, 1, "Pet Supplies", "Footwear", "Home Appliances");
document.getElementById("test").innerHTML = products +" on "+d.toLocaleString();
}
</script>
</body>
</html>
Output

Click on the “Result” button above −

Example
<!DOCTYPE html>
<html>
<body>
<h2>Displaying Date</h2>
<button onclick="display()">Result</button>
<p id="test"></p>
<script>
document.getElementById("test").innerHTML = "Display the current date...";
function display() {
var d = new Date();
document.getElementById("test").innerHTML = d.toLocaleString();
}
</script>
</body>
</html>
Output

Click “Result” button −

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