jquery 字符串转换数子

在jQuery中，要将字符串转换为数字，可以使用parseInt()函数。这个函数将字符串解析为整数并返回结果。例如，如果你有一个名为str的字符串，你可以使用parseInt(str)来将其转换为数字。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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