Comma-separated processing method for every three digits
Regular way:
Copy the codeThe code is as follows:
"15000000".split("").reverse().join("").replace(/(\d{3})/g, "$1,").split("").reverse().join("");
"115000000".split("").reverse().join("").replace(/(\d{3})(?=[^$])/g, "$1,").split("").reverse().join("");
var str = '123123211312.333123'.replace(/(?=(?!^)(?:\d{3})+(?:\.|$))(\d{3}(\.\d+$)?)/g,',$1');
(str)
'1500000000000'.replace(/\B(?=(\d{3})+$)/g,',')
Circular search method
Copy the codeThe code is as follows:
function formatNumber(value) {
value = ();
if ( <= 3) {
return value;
} else {
return formatNumber((0, - 3)) + ',' + ( - 3);
}
}
toLocaleString function:
Copy the codeThe code is as follows:
15000000..toLocaleString();