18 lines
541 B
JavaScript
18 lines
541 B
JavaScript
var toValueString = require('./toValueString')
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/**
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* 判断字符串是否在源字符串的尾部
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*
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* @param {String} str 字符串
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* @param {String/Number} val 值
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* @param {Number} startIndex 开始索引
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* @return {String}
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*/
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function endsWith (str, val, startIndex) {
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var rest = toValueString(str)
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var argsLen = arguments.length
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return argsLen > 1 && (argsLen > 2 ? rest.substring(0, startIndex).indexOf(val) === startIndex - 1 : rest.indexOf(val) === rest.length - 1)
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}
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module.exports = endsWith
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