for循环遍历查找: var  arr =  [ { name : 'al' } , { name : 'ba' } , { name : 'age' } ] ; 
var  target =  'age' ; 
for ( var  i= 0 ;  i< arr. length;  i++ ) { if ( arr[ i] . name ===  target) { console. log ( '找到了!' ) ; break ; } 
} 
3. getIntDictOptions ( 'system_user_sex' ) . forEach ( ( oj ) => { return ( oj. value ==  scope. row. sex) } ) 
filter方法过滤查找: 
var  arr =  [ { name : 'a' } , { name : 'b' } , { name : 'o' } ] ; 
var  target =  'o' ; 
var  result =  arr. filter ( function ( item ) { return  item. name ===  target; 
} ) ; 
console. log ( result) ; 
find方法查找: var  arr =  [ { name : 'a' } , { name : 'b' } , { name : 'g' } ] ; 
var  target =  'g' ; 
var  result =  arr. find ( function ( item ) { return  item. name ===  target; 
} ) ; 
console. log ( result) ; 
some方法查找: var  arr =  [ { name : 'le' } , { name : 'na' } , { name : 'an' } ] ; 
var  target =  'an' ; 
var  result =  arr. some ( function ( item ) { return  item. name ===  target; 
} ) ; 
console. log ( result) ; 
map方法遍历查找: var  arr =  [ { name : 'ae' } , { name : 'baa' } , { name : 'n' } ] ; 
var  target =  'n' ; 
arr. map ( function ( item ) { if ( item. name ===  target) { console. log ( '找到了!' ) ; } 
} )