废弃原因：属于非标准遗留特性，参数规则和substring、slice不一致，极易混淆，已被纳入ECMA附录B，仅为兼容旧代码保留，不推荐新代码使用。 废弃原因：语义不统一，标准规范已推出语义更清晰的替代方法，部分新版浏览器已逐步移除支持。 废弃原因：编码 ...
Promises Kept Trump has kept about 19% of his promises, including on his first day, when he pardoned the defendants of the Jan. 6, 2021, assault on the U.S. Capitol. In July 2025, he signed an ...
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