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javascript拆分字符串选定文本替换_Javascript_Jquery_Web - Fatal编程技术网

javascript拆分字符串选定文本替换

javascript拆分字符串选定文本替换,javascript,jquery,web,Javascript,Jquery,Web,您好javascript拆分选定的文本替换 var words = "Red,Blue,Yellow"; words.replace('Blue','White') == "White"; console.log(words); 不起作用 结果:红色、白色、黄色如果要在单词字符串中用白色替换蓝色,则需要将返回的字符串重新分配给单词变量。replace方法不会在位编辑字符串 var words = "Red,Blue,Yellow"; words = words.replace('Blue','

您好javascript拆分选定的文本替换

var words = "Red,Blue,Yellow";
words.replace('Blue','White') == "White";
console.log(words);
不起作用


结果:红色、白色、黄色

如果要在单词字符串中用白色替换蓝色,则需要将返回的字符串重新分配给单词变量。replace方法不会在位编辑字符串

var words = "Red,Blue,Yellow";
words = words.replace('Blue','White');
console.log(words);

没有理由将单词的返回值与要替换的内容进行比较。

为什么要将替换的字符串与白色进行比较?单词。替换“蓝色”,“白色”==白色;毫无意义你有没有试过密码`单词。替换“蓝色”,“白色”甚至不会给你“白色”-它会给你“红色,白色,黄色”…我想更改所选单词的位置更改位置是什么意思?