String.prototype.charCodeAt()

2024-08-26 01:46:58

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<script>

    function wf(w) {

        console.log(w)

    }

    var w = 'ABC'.charCodeAt(0);

    wf(w)

    var w = '中'.charCodeAt(0);

    wf(w)

    var w = '浙江'.charCodeAt(1);

    wf(w)

    var w = '浙江'.charCodeAt(2);

    wf(w)

    var w = '浙江'.charCodeAt(-1);

    wf(w)

</script>

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