Home Web Front-end JS Tutorial How to convert object to string using javascript

How to convert object to string using javascript

Apr 26, 2021 pm 04:31 PM
javascript string object

In JavaScript, you can use the "JSON.stringify()" method to convert objects into strings, with the syntax "JSON.stringify(object)". The "JSON.stringify()" method is used to convert js values ​​(objects or arrays) into JSON strings and back.

How to convert object to string using javascript

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

In javascript, you can use the "JSON.stringify()" method to convert an object into a string.

Instance: Convert object to string

// 对象
var jsonObj = {
   "CityId":"18",
    "CityName":"西安2"
};

// 对象转换为字符串
var newString = JSON.stringify(jsonObj);
console.log(typeof newString); // 输出:string
console.log(newString); // 输出:{"CityId":"18","CityName":"西安2"}
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Output:

How to convert object to string using javascript

JSON.stringify( ) method is used to convert a JavaScript value to a JSON string and then returns a string containing the JSON text.

Syntax:

JSON.stringify(value[, replacer[, space]])
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Parameters:

How to convert object to string using javascript

##Example:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>

<p id="demo"></p>
<script>
var str = {"name":"PHP中文网", "site":"http://www.php.cn"}
str_pretty1 = JSON.stringify(str)
document.write( "只有一个参数情况:" );
document.write( "<br>" );
document.write("<pre class="brush:php;toolbar:false">" + str_pretty1 + "
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" ); document.write( "
" ); str_pretty2 = JSON.stringify(str, null, 4) //使用四个空格缩进 document.write( "使用参数情况:" ); document.write( "
" ); document.write("
" + str_pretty2 + "
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" ); // pre 用于格式化输出 Rendering:

How to convert object to string using javascript

[Recommended learning:

javascript advanced tutorial]

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