How to use 'map in angular 6' in JavaScript

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123function render5(){
124 var context = {
125 'teams': [{
126 'name':'Cats',
127 'players':[
128 {"name":"Alice Keasler", "score":14},
129 {"name":"", "score":0}, //show an example of space and zero
130 {"name":"Vicky Benoit", "score":15},
131 {"name":"Wayne Dartt", "score":11}]},{
132
133 'name':'Dogs',
134 'players': [
135 {"name":"Ray Braun", "score":14},
136 {"name":"Aaron Ben", "score":24},
137 {"name":"Steven Smith", "score":1},
138 {"name":"Kim Caffey", "score":19}]},{
139
140 'name':'Mices',
141 'players': [
142 {"name":"Natalie Kinney", "score":16},
143 {"name":"Caren Cohen", "score":3}]}]}
144
145 var scoreBoard = $$('table.scoreBoard')[0].mapDirective({
146 'tbody tr': 'team <- teams',
147 'td.teamName': 'team.name'
148 });
149
150
151 var teamList = scoreBoard.select('table.teamList')[0]
152 .mapDirective({
153 'tbody tr': 'player <- team.players',
154 'td.player': 'player.name',
155 'td.score': 'player.score',
156 'td.position': lineNb, //passing the pointer of a function that does not use "this"
157 'tbody tr[class]': function(arg){ return row.decorator(arg) } }); //show how to wrap a method and not breack the use of "this"
158 scoreBoard.select('td.teamPlace')[0].innerHTML = $p.utils.outerHTML(teamList); //place sub-template teamList in scoreBoard
159 $p.compile(scoreBoard, 'f5'); //compile to a function
160 $('render5').innerHTML = $p.render('f5', context);} //place the result of the transformation to the innerHTML of div#render5
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