1var colors = ["white","blue"];
2colors.unshift("red"); //add red to beginning of colors
3// colors = ["red","white","blue"]
1let monTableau = ['un', 'deux','trois', 'quatre'] ;
2monTableau.unshift('zero') ;
3//console.log(monTableau) ;
4
5
6
7 let monTableau2D = [
8 ['Mark' , 'jeff' , 'Bill'] ,
9 ['Zuckerberg' , 'Bezos' , 'Gates']
10 ] ;
11 monTableau2D[1].unshift('test') ;
12 //console.log(monTableau2D) ;