I am having this array of string:
color = ['red','blue','purple'];
I want to print a message that says:
color in ('red','blue','purple')
If I write this:
color.forEach((c) => {
console.log(`color in ('${c}')`);
});
I am getting this message:
color in ('red') color in ('blue') color in ('purple')
How can I get the first message?
You'd need to map each color to add quotes to it, then join them together:
const colors = ['red','blue','purple'];
console.log(`color in (${ colors.map(c => `'${c}'`).join(',') })`);Though I'm not sure why you'd do it specifically that way. For debugging purposes, just console.log('color in', colors) would do just fine. For user-visible messages, you'd probably just use colors.join(', '), and/or more elaborate formatting using ..., ... and ....
You can try this one
color = ['red','blue','purple'];
console.log(`color in (${color.map(item => "'" + item + "'").toString()})`); // color in ('red','blue','purple')Use the forEach loop in this way
var color = ['red','blue','purple'];
var str='color in (';
color.forEach(e=>str+="'"+e+"',")
str=str.substring(0,str.length-1)+')';
console.log(str)Another alternative could be the function Array.from.
You can call the function Array.prototype.join without param and the comma will be used as a separator.
Param
separatorOptionalSpecifies a string to separate each pair of adjacent elements of the array. The separator is converted to a string if necessary. If omitted, the array elements are separated with a comma (","). If
separatoris an empty string, all elements are joined without any characters in between them.
const colors = ['red','blue','purple'];
console.log(`color in (${ Array.from(colors, c => `'${c}'`).join() })`);
forEachsimply useconsole.log(`color in ('${color}'))`