How to convert string into array in javascript

In JavaScript, you can use the split method to convert a string into an array. The syntax format is "element.split (string or regular expression, maximum length)". The split method is used to split a string into a string array. The strings in the returned array do not include the expression itself.

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

Convert string to array

The implementation method is to cut the string into several strings according to a certain character and return it in the form of an array, sample code As follows:

var s = "abc,abcd,aaa";
ss = s.split(",");// 在每个逗号(,)处进行分解。

split() method is used to split a string into a string array.

Syntax

stringObject.split(separator,howmany)

Return value

A string array. The array is created by splitting the string stringObject into substrings at the boundaries specified by separator . The strings in the returned array do not include the separator itself.

However, if separator is a regular expression that contains subexpressions, then the returned array includes strings that match those subexpressions (but not text that matches the entire regular expression).

Extended information:

Convert array to string

You need to concatenate the array elements into a string using a certain character. The sample code is as follows:

var a, b;
a = new Array(0,1,2,3,4);
b = a.join("-");

join() method is used to put all elements in the array into a string. Elements are separated by the specified delimiter.

This method returns a string. The string is generated by converting each element of the arrayObject to a string and then concatenating the strings, inserting a separator string between the two elements.

[Recommended learning: javascript advanced tutorial]

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