js 字符串截取前10位

在JavaScript中，可以使用slice()方法来截取字符串的前几位。slice()方法可以提取字符串的某个部分，并以新的字符串返回被提取的部分。它的语法是string.slice(start, end)。如果只传入一个参数start，则会从该位置开始截取到字符串的末尾。所以，要截取字符串的前10位，可以使用以下代码：

var str = "abcdefg";
var result = str.slice(0, 10);
console.log(result); // 输出：abcdefg

这样就可以得到字符串的前10位字符。\[1\]
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