JavaScript String 字符串方法汇总 1.str.indexOf() 方法查找字符串中的字符串 返回 字符串中指定文本首次出现的索引(位置) JavaScript 从零计算位置.0 是字符串中的第一个位置,1 是第二个,2 是第三个 ... 无法设置更强大的搜索值(正则表达式) var str = "The full name of China is the People's Republic of China."; var pos =…
JavaScript string repeat methods All In One There are many ways in the ES-Next ways repeat ES2015 / ES6 /** * str: String * count: Number */ const str = `hello repeat!\n`, count = 3; let resultString = str.repeat(count); console.log(`resultString = \…
//string.format String.prototype.format=function(){ var e = this, f = arguments.length; if (f > 0) { for ( var d = 0; d < f; d++) { e = e.replace(new RegExp("\\{" + d + "\\}", "g"), arguments[d]) } } return e }; JavaScr…