js 提取某()特殊字符串长度的实例

// 提取特殊字符串长度（scrstr 源字符串 armstr 特殊字符）getStrCount: function(scrstr, armstr) { var count = 0; while (scrstr.indexOf(armstr) >= 1) {  scrstr = scrstr.replace(armstr, "")  count++; } return count;}