js replace all str
javascript字符串替换所有要替换字符
javascript字符串替换所有要替换字符
javascript替换函数使用正则表达式
//将字母i全部替换成5
<script language="javascript">
var txt = "sjfisjfisdjfijsidfjioalfjewofjjgs";
alert(txt .replace(/i/g,"5"));
</script>
//只将第一个字母i替换成5
<script language="javascript">
var txt = "sjfisjfisdjfijsidfjioalfjewofjjgs";
alert(txt .replace("i","5"));
</script>
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