How to convert javascript object to json string

In javascript, you can use the built-in method "JSON.stringify()" to convert js objects into JSON strings; this method can convert JavaScript objects or arrays into JSON strings, and the syntax format is "JSON .stringify(object)".

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

Convert javascript object to json string

Use JavaScript built-in methodJSON.stringify()Convert JavaScript object to JSON string

Syntax format:

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

The JSON.stringify() method converts a JavaScript object or value into a JSON string. If the replacer function is specified, you can choose to replace the value. If the replacer function is specified, array, you can include only specified properties.

Parameter description:

Example:

// 对象 var dog = { name: "gougou", "age": "2" }; // JSON字符串 var newString = JSON.stringify(dog); console.log(typeof newString); // 输出：string console.log(newString); // 输出：{"name":"gougou","age":"2"}

Output:

Recommended learning:javascript advanced tutorial

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