How to convert integer data to string in javascript

Javascript method to convert integer data to a string: 1. Use the plus operator. When an integer value is added to an empty string, the value will be automatically converted to a string. 2. Use toString() method, syntax "value.toString()".

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

javascript converts integer data to string

1. Use the plus operator

When a value is added to an empty string, JavaScript will automatically convert the value to a string.

Example: Convert numbers to strings and return the numbers themselves.

var n = 123;
n = n + "";
console.log(typeof n); //返回类型为 string

2. Use the toString() method

When calling the toString() method for simple values, JavaScript will automatically encapsulate them into objects and then call toString() method, obtains the string representation of the object.

var a = 123456;
a.toString();
console.log(a);  //返回字符串“123456”

Using the plus operator to convert a string is actually done by calling the toString() method, but it is implemented by JavaScript automatically calling the toString() method.

JavaScript can automatically convert the type of variables according to the computing environment. In automatic conversion, JavaScript generally performs conversions on demand based on the type environment of the operation. For example, if you are performing a string as a string; if you are performing a basic mathematical operation, you will try to convert the string to a numeric value; if you are performing a logical operation environment, you will try to convert the value to a Boolean value, etc.

[Recommended learning: javascript advanced tutorial]

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