Invalid prop: type check failed for prop "percentage". Expected Number with value 30, got String with value "30".

引用和是两个报错信息，指出在Vue.js中的一个属性"percentage"的类型检查失败。在期望的情况下，这个属性应该是一个数字类型(Number)，但实际上得到的却是一个字符串类型(String)。这两个报错都是由于对属性"percentage"赋予了错误的值类型所导致的。

引用是一个代码片段，通过添加parseFloat函数，将字符串类型的"percentage"属性值转换为了浮点数类型。而在这个代码片段中，字符串"30"被转换为了数字30。

综上所述，报错信息"Invalid prop: type check failed for prop 'percentage'. Expected Number with value 30, got String with value '30'"是由于在Vue.js中使用了一个期望为数字类型的"percentage"属性，但实际传入的却是一个字符串类型导致的。通过在代码中使用parseFloat函数，可以将字符串类型的"percentage"属性值转换为数字类型来解决这个问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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