let string = 'My name is [~FirsTNAME] [~LASTNAME]'; let nameArray = ['Peter','Parker']; let patternToBeReplaced = ['[~FirsTNAME]','[~LASTNAME]']
我想用namearray的元素替换字符串,以便字符串变为’我的名字是Peter Parker’
patternToBeReplaced.forEach(function (match,index) { var output = string.replace(match,nameArray[index]); });
但这不符合预期.
解决方法
您可以使用
Array#reduce
并使用该字符串进行下一次替换.
let string = 'My name is [~FirsTNAME] [~LASTNAME]'; let nameArray = ['Peter','[~LASTNAME]'] string = patternToBeReplaced.reduce((s,m,i) => s.replace(m,nameArray[i]),string); console.log(string);