startsWith . Once you've shimmed the method (or if you're only supporting browsers and JavaScript engines that already have it), ... ... <看更多>

The startsWith() returns true if a string begins with the characters of a specified string; otherwise false . The following shows the syntax of the startsWith() ... ... <看更多>

startsWith () 方法用来判断当前字符串是否以另一个给定的子字符串开头，并根据判断结果返回 true 或 false 。 语法. ... <看更多>

startsWith : A robust & optimized ES3-compatible polyfill for the ... /src/runtime/polyfills/String.js#L19-L37 by Google ( fails a lot of tests now uses this ... ... <看更多>

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