Summary of usage of JS Replace to replace all characters

script language="javascript">

var r= "1/n2/n3/n";

//Replace the letter /n with a semicolon

alert(r.replace("/n",";"));

Result: 1;2/n3/n only replaces the first one

</script>

<script language="javascript">

var r= "1/n2/n3/n";

//Replace the letter /n with a semicolon

alert(r.replace(//n/g, ";"));

Result: 1;2;3; The first parameter of replace can be a regular expression, and /g indicates full-text matching.

</script>