JavaScript USES Replace for string substitution

The example in this article shows how JavaScript USES Replace for string substitution. Share with you for your reference. The specific analysis is as follows:

var str='123123';
alert(str.replace('1','0')); // Only replace the first 1 The results for the 023123
alert(str.replace(/1/g,'0')); // Replace all the results with 023023

I hope this article has been helpful to your javascript programming.